Questions from Applied Statistics

Q: ABC Warehouse has eight refrigerators in stock. Two are side-

ABC Warehouse has eight refrigerators in stock. Two are side-by-side models and six are top freezer models. (a) Using Excel, calculate the entire hypergeometric probability distribution for the number...

Q: Find each geometric probability. a. P(X

Find each geometric probability. a. P(X = 5) when π = .50 b. P(X = 3) when π = .25 c. P(X = 4) when π = .60

Q: In the Ardmore Hotel, 20 percent of the guests (the

In the Ardmore Hotel, 20 percent of the guests (the historical percentage) pay by American Express credit card. (a) What is the expected number of guests until the next one pays by American Express cr...

Q: In a certain Kentucky Fried Chicken franchise, half of the customer’s

In a certain Kentucky Fried Chicken franchise, half of the customer’s request “crispy” instead of “original,” on average. (a) What is the expected number of customers before the next customer requests...

Q: The height of a Los Angeles Lakers basketball player averages 6 feet

The height of a Los Angeles Lakers basketball player averages 6 feet 7.6 inches (i.e., 79.6 inches) with a standard deviation of 3.24 inches. To convert from inches to centimeters, we multiply by 2.54...

Q: Pepsi and Mountain Dew products sponsored a contest giving away a Lamborghini

Pepsi and Mountain Dew products sponsored a contest giving away a Lamborghini sports car worth $215,000. The probability of winning from a single bottle purchase was .00000884. Find the expected value...

Q: The mean January temperature in Fort Collins, CO, is 37

The mean January temperature in Fort Collins, CO, is 37.18 F with a standard deviation of 10.38 F. Express these Fahrenheit parameters in degrees Celsius using the transformation C = 5y9F - 17.78.

Q: There are five accounting exams. Bob’s typical score on each exam

There are five accounting exams. Bob’s typical score on each exam is a random variable with a mean of 80 and a standard deviation of 5. His final grade is based on the sum of his exam scores. (a) Find...

Q: Student Life Insurance Company wants to offer an insurance plan with a

Student Life Insurance Company wants to offer an insurance plan with a maximum claim amount of $5,000 for dorm students to cover theft of certain items. Past experience suggests that the probability o...

Q: A lottery ticket has a grand prize of $28 million.

A lottery ticket has a grand prize of $28 million. The probability of winning the grand prize is .000000023. Based on the expected value of the lottery ticket, would you pay $1 for a ticket? Show your...