QMST 2333

A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 60% of this population prefers the color green. If 15 buyers are randomly selected, what is the probability that between 2 and 4 (both inclusive) buyers would prefer green? Round your answer to four decimal places.

.0093

Trucks in a delivery fleet travel a mean of 130 miles per day with a standard deviation of 39 miles per day. The mileage per day is distributed normally. Find the probability that a truck drives between 94 and 153 miles in a day. Round your answer to four decimal places.

.5436

Find the area under the standard normal curve to the left of z=0.56. Round your answer to four decimal places, if necessary.

.7123

The mean cost of a five pound bag of shrimp is 46 dollars with a variance of 64. If a sample of 53 bags of shrimp is randomly selected, what is the probability that the sample mean would be less than 43.9 dollars? Round your answer to four decimal places.

0.0281

A telemarketer's computer selects phone numbers at random. The telemarketer has recorded the number of respondents in each age bracket for one evening in the following table. What is the probability that the next respondent will be between 26 and35? Enter a fraction or round your answer to 4 decimal places, if necessary.

0.2108

A telemarketer's computer selects phone numbers at random. The telemarketer has recorded the number of respondents in each age bracket for one evening in the following table. What is the probability that the next respondent will be between 36 and 45? Enter a fraction or round your answer to 4 decimal places, if necessary.

0.2935

Trucks in a delivery fleet travel a mean of 110 miles per day with a standard deviation of 25 miles per day. The mileage per day is distributed normally. Find the probability that a truck drives between 97 and 132 miles in a day. Round your answer to four decimal places.

0.5091

A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 30% of this population prefers the color brown. If 1818 buyers are randomly selected, what is the probability that between 5 and 8 (both inclusive) buyers would prefer brown? Round your answer to four decimal places.

0.6078

Find the area under the standard normal curve to the left of z=0.49. Round your answer to four decimal places, if necessary

0.6879

Find the value of z such that 0.14 of the area lies to the right of z. Round your answer to two decimal places.

1.08

Find the value of z such that 0.04 of the area lies to the right of z. Round your answer to two decimal places.

1.75

You are using a local home remodeling company to remodel your kitchen. They have 9 different cabinet door styles, 14 countertop choices, and 20 different types of flooring. How many different kitchen remodels could be done using these material choices?

2520

You are using a local home remodeling company to remodel your kitchen. They have 16 different cabinet door styles, 20 countertop choices, and 11 different types of flooring. How many different kitchen remodels could be done using these material choices?

3520