A jar of N = 150 jellybeans contains 22 red jellybeans, 38 yellow jellybeans, 20 green jellybeans, 28 purple jellybeans, 26 blue jellybeans and the rest are orange jellybeans. Find the probability of selecting (with replacement) an orange jellybean.

A food manufacturing is running a promotion and asks consumers to create a new flavor of potato chip. Winners can receive $100,000 and the company will produce the winning flavor for year. A group of food tasters were recruited and asked to select their favorite flavor. Food tasters could only vote for one flavor. The results were as follows: How many food tasters participated in the taste test? Flavor A - 15 Flavor B - 32 Flavor C - 30 Flavor D - 43

A food manufacturing is running a promotion and asks consumers to create a new flavor of potato chip. Winners can receive $100,000 and the company will produce the winning flavor for year. A group of food tasters were recruited and asked to select his or her favorite flavor. Food tasters could only vote for one flavor. The results were as follows: What is the expected frequency for each flavor? Flavor A - 15 Flavor B - 32 Flavor C - 30 Flavor D - 43

Scores from a quiz are recorded and are presented in a frequency table. What type of graph should be used to present quiz scores?

The number of male and female professors at a state college are recorded and placed in a frequency table. What type of graph should be used to present these data?

Assume that you received a score x = 35 on your last statistics quiz and 70% of students had scores of 35 or lower. What is the percentile rank for x = 35?

For a normal distribution, identify the z-score for 5% of the distribution on the left side.

Final exam scores in a statistics class were normally distributed with a μ = 65 and a standard deviation σ = 5. What is the probability that a randomly selected student will score 70 or lower?

The systolic blood pressure (given in millimeters) of males has an approximately normal distribution with μ = 125 and σ = 15. What is the z-score for a blood pressure of 100 millimeters