The following data represents the number of Sony TVs sold per day at a particular Costco over a random sample of five business days 9 2 7 7 5 The mean of this sample is ________.

Use the z table provided to answer the following question: Bob’s golf score at his local course follows the normal distribution with a mean of 92.1 and a standard deviation of 3.8. What is the probability that the score on his next round of golf will be between 82 and 89?

The variance of this sample 9 2 7 7 5 is ________.

Use the following information to answer the following question: A study conducted by Hershey’s discovered that Americans consumed an average of 11.4 pounds of chocolate per year. Let’s assume that the annual chocolate consumption follows the normal distribution with a standard deviation of 3.6 pounds What is the probability that a randomly selected American will consume more than 9lbs of chocolate next year?

Use the binomial table provided to answer the following questions A hotel claims that 90% of its customers are very satisfied with its service. Answer the following question based on a random sample of eight customers: What is the probability that exactly seven customers are very satisfied?

Use the Table below to answer this question: Education Level Frequency Bachelor’s Degree or Higher 37 Some College 13 High School Diploma Only 7 Less than High School Diploma 3 Total 60 The probability that a randomly selected adult who works from home has a bachelor’s degree or higher is

With what type of data is the mode most useful?

Which data set contains outliers?

One disadvantage of using the median is that

Use the z table provided to answer the following question: The time for a professor to grade an exam is normally distributed with a mean of 16.3 minutes and a standard deviation of 4.2 minutes. What is the probability that a randomly selected exam will require less than 20 minutes to grade?