Multiple Choice
Scores on a test are normally distributed with a mean of 68.2 and a standard deviation of 10.4. Estimate the probability that among 75 randomly selected students, at least 20 of them score greater than 78.
A) 0.0239
B) 0.0166
C) 0.0113
D) 0.1736
Correct Answer:
Verified
Correct Answer:
Verified
Q120: Find the probability that in 200 tosses
Q121: Solve the problem.<br>-The scores on a certain
Q122: Solve the problem.<br>-In one region, the September
Q123: Estimate the indicated probability by using the
Q124: Provide an appropriate response.<br>-Describe the difference between
Q126: Solve the problem.<br>-Human body temperatures are normally
Q127: Construct a normal probability plot of
Q128: Provide an appropriate response.<br>-State the Central Limit
Q129: Solve the problem.<br>-Assume that women's heights are
Q130: Estimate the indicated probability by using the