Question 1

The question below refers to the following table:   
The percent of area beyond z = 1.44 is __________.

Accepted Answer

The answer of The question below refers to the following...

Question 2

Roughly __________ of the total area under the normal curve rests between two standard Deviations above and below the mean.

Accepted Answer

A) 68% 
B) 47% 
C) 99% 
D) 95 % 
A) 68% 
B) 47% 
C) 99% 
D) 95 %

Question 3

The question below refers to the following situation:
The average price for a new car is $18,000 and the standard deviation is $1,500. Calculate The z scores for the following individual score:
If X = 16,000, z = __________.

Accepted Answer

A) 9.33 
B) -1.33 
C) .78 
D) .9 9 
A) 9.33 
B) -1.33 
C) .78 
D) .9 9

Question 4

Which of the following is true of the normal distribution?

Accepted Answer

A) The normal curve is symmetrical. 
B) The normal curve is unimodal. 
C) The tails extend indefinitely in either direction. 
D) All of the above are true. 
A) The normal curve is symmetrical. 
B) The normal curve is unimodal. 
C) The tails extend indefinitely in either direction. 
D) All of the above are true.

Question 5

One hundred percent of the scores fall under the area of the normal curve.

Accepted Answer

A) True 
 B)False

Question 6

A number with a z-score of zero is equal to the mean.

Accepted Answer

A) True 
 B)False

Question 7

Assume citizens were asked about their views on healthcare reform. The results are listed below.   
What is the probability of selecting at random from this group a citizen who does support healthcare reform?

Accepted Answer

6/10 = .6

Question 8

The symbol for the standard deviation of a probability distribution is __________.

Accepted Answer

The answer of The symbol for the standard deviation of...

Question 9

The question below refers to the following table:   
The percent of TOTAL cases that have a z score less than or equal to 1.46 is __________

Accepted Answer

The answer of The question below refers to the following...

Question 10

The symbol for the mean of a probability distribution is __________.

Accepted Answer

The answer of The symbol for the mean of a...

Question 11

The normal curve is:

Accepted Answer

A) a theoretical ideal. 
B) applicable to all real life research situations. 
C) positively skewed. 
D) all of the above. 
A) a theoretical ideal. 
B) applicable to all real life research situations. 
C) positively skewed. 
D) all of the above.

Question 12

Fifty percent of the scores fall below the mean in a normal curve.

Accepted Answer

A) True 
 B)False

Question 13

The distribution of test scores for the population is normal, with a mean of 33 and a standard deviation of 6.3.
The percentage of the population which scored above Kim is __________.

Accepted Answer

The answer of The distribution of test scores for the...

Question 14

A probability distribution has:

Accepted Answer

A) no mean. 
B) no standard deviation. 
C) a mean and a standard deviation. 
D) none of the above. 
A) no mean. 
B) no standard deviation. 
C) a mean and a standard deviation. 
D) none of the above.

Question 15

The probability of rolling a '4' on one toss of a standard six-sided die is:

Accepted Answer

A) .1 
B) .167 
C) 1.67 
D) .2 5 
A) .1 
B) .167 
C) 1.67 
D) .2 5

Question 16

The question below refers to the following table:   
The percent of area between the z = 1.40 and z = 1.49 is __________.

Accepted Answer

The answer of The question below refers to the following...

Question 17

The probability of flipping 2 heads in 2 flips of the same coin is:

Accepted Answer

A) .50. 
B) .75. 
C) .25. 
D) .5 2. 
A) .50. 
B) .75. 
C) .25. 
D) .5 2.

Question 18

A normal curve:

Accepted Answer

A) is a theoretical ideal or model. 
B) can be used to describe distributions. 
C) is used in statistical decision making. 
D) All of the above are true of the normal curve. 
A) is a theoretical ideal or model. 
B) can be used to describe distributions. 
C) is used in statistical decision making. 
D) All of the above are true of the normal curve.

Question 19

Assume citizens were asked about their views on healthcare reform. The results are listed below.   
What is the probability of selecting at random from this group a Republican who does NOT support healthcare reform?

Accepted Answer

The answer of Assume citizens were asked about their views...

Question 20

The distribution of test scores for the population is normal, with a mean of 33 and a standard deviation of 6.3.
The percentage of the population which scored below John is __________.

Accepted Answer

The answer of The distribution of test scores for the...

The question below refers to the following table: The percent of area beyond z = 1.44 is __________.

Roughly __________ of the total area under the normal curve rests between two standard Deviations above and below the mean.

The question below refers to the following situation: The average price for a new car is $18,000 and the standard deviation is $1,500. Calculate The z scores for the following individual score: If X = 16,000, z = __________.

Which of the following is true of the normal distribution?

One hundred percent of the scores fall under the area of the normal curve.

A number with a z-score of zero is equal to the mean.

Assume citizens were asked about their views on healthcare reform. The results are listed below. What is the probability of selecting at random from this group a citizen who does support healthcare reform?

The symbol for the standard deviation of a probability distribution is __________.

The question below refers to the following table: The percent of TOTAL cases that have a z score less than or equal to 1.46 is __________

The symbol for the mean of a probability distribution is __________.

The normal curve is:

Fifty percent of the scores fall below the mean in a normal curve.

The distribution of test scores for the population is normal, with a mean of 33 and a standard deviation of 6.3. The percentage of the population which scored above Kim is __________.

A probability distribution has:

The probability of rolling a '4' on one toss of a standard six-sided die is:

The question below refers to the following table: The percent of area between the z = 1.40 and z = 1.49 is __________.

The probability of flipping 2 heads in 2 flips of the same coin is:

A normal curve:

Assume citizens were asked about their views on healthcare reform. The results are listed below. What is the probability of selecting at random from this group a Republican who does NOT support healthcare reform?

The distribution of test scores for the population is normal, with a mean of 33 and a standard deviation of 6.3. The percentage of the population which scored below John is __________.

Why the Social Researcher Uses Statistics

Organizing the Data

Measures of Central Tendency

Measures of Variability

Samples and Populations

Testing Differences Between Means

Analysis of Variance

Nonparametric Tests of Significance

Correlation

Regression Analysis

Nonparametric Measures of Correlation

Choosing Statistical Procedures for Research Problems

Filters

Exam 5: Probability and the Normal Curve

The question below refers to the following table: The percent of area beyond z = 1.44 is __________.

Roughly __________ of the total area under the normal curve rests between two standard Deviations above and below the mean.

The question below refers to the following situation: The average price for a new car is $18,000 and the standard deviation is $1,500. Calculate The z scores for the following individual score: If X = 16,000, z = __________.

Which of the following is true of the normal distribution?

One hundred percent of the scores fall under the area of the normal curve.

A number with a z-score of zero is equal to the mean.

Assume citizens were asked about their views on healthcare reform. The results are listed below. What is the probability of selecting at random from this group a citizen who does support healthcare reform?

The symbol for the standard deviation of a probability distribution is __________.

The question below refers to the following table: The percent of TOTAL cases that have a z score less than or equal to 1.46 is __________

The symbol for the mean of a probability distribution is __________.

The normal curve is:

Fifty percent of the scores fall below the mean in a normal curve.

The distribution of test scores for the population is normal, with a mean of 33 and a standard deviation of 6.3. The percentage of the population which scored above Kim is __________.

A probability distribution has:

The probability of rolling a '4' on one toss of a standard six-sided die is:

The question below refers to the following table: The percent of area between the z = 1.40 and z = 1.49 is __________.

The probability of flipping 2 heads in 2 flips of the same coin is:

A normal curve:

Assume citizens were asked about their views on healthcare reform. The results are listed below. What is the probability of selecting at random from this group a Republican who does NOT support healthcare reform?

The distribution of test scores for the population is normal, with a mean of 33 and a standard deviation of 6.3. The percentage of the population which scored below John is __________.

Why the Social Researcher Uses Statistics

Organizing the Data

Measures of Central Tendency

Measures of Variability

Samples and Populations

Testing Differences Between Means

Analysis of Variance

Nonparametric Tests of Significance

Correlation

Regression Analysis

Nonparametric Measures of Correlation

Choosing Statistical Procedures for Research Problems

Filters