Multiple Choice
A soap manufacturer wants to know within +4 percentage points what percentage of households use liquid soaps.To be 95% confident in the estimate,how many households should be sampled? (Note: a confidence interval greater than +4 percentage points is unacceptable. )
A) 600
B) 625
C) 700
D) 750
E) 550
Correct Answer:
Verified
Correct Answer:
Verified
Q48: These three factors are needed to calculate
Q49: The only time the population size (N)is
Q50: In estimating the standard deviation in the
Q51: Which of the following is NOT an
Q52: In the absence of any information concerning
Q54: Exhibit 16.2 A researcher wishes to estimate
Q55: When the sample size will represent more
Q56: The finite population correction factor<br>A)is used when
Q57: Which of the following estimated population proportions
Q58: The standard error will increase if sample