A university bookstore claims that 40% of its customers are satisfied with the service and prices....

A university bookstore claims that 40% of its customers are satisfied with the service and prices. If this claim is true, what is the probability that in a random sample of 500 customers less than 37% are satisfied?

Select one:

a. 0.0853

b. 0.0823

c. 0.9147

d. 0.9177

Which of the following is TRUE?

Select one:

a. Mean is always equal to median.

b. Population variance is always equal to sample variance.

c. A data group with larger standard deviation has relatively greater variability than another data group with smaller standard deviation.

d. Mode is better than mean to measure the central tendency for categorical data.

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Expert Solution

orchestra answered 1 year ago

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