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(1 point) The number of pizzas consumed per month by university students is normally distributed with...
The number of pizzas consumed per month by university students is normally distributed with a mean...
The number of pizzas consumed per month by university students is normally distributed with a mean of 11 and a standard deviation of 3. Use Excel to answer the following questions: A. What proportion of students consume more than 14 pizzas per month? Probability = .158655 B. What is the probability that in a random sample of size 10, a total of more than 90 pizzas are consumed? (Hint: What is the mean number of pizzas consumed by the sample...
1. The number of pizzas consumed per month by university students is Normally distributed with a...
1. The number of pizzas consumed per month by university students is Normally distributed with a mean of 12 and a standard deviation of 5 A. What proportion of students consume more than 14 pizzas per month? B. What is the probability that, in a random sample of 8 students, a sample average of more than 10 pizzas are consumed?
PLEASE use a Ti-83 or Ti-84 calculator instead of a z table. The number of pizzas...
PLEASE use a Ti-83 or Ti-84 calculator instead of a z table. The number of pizzas consumed per month by university students is normally distributed with a mean of 8 and a standard deviation of 2. What is the probability that in a random sample of size 12, a total of more than 120 pizzas are consumed? (Hint: What is the mean number of pizzas consumed by the sample of 12 students?) Probability =
Results for this submission Entered Answer Preview Result 0.3707 0.3707 incorrect 0.1357 0.1357 incorrect At least...
Results for this submission Entered Answer Preview Result 0.3707 0.3707 incorrect 0.1357 0.1357 incorrect At least one of the answers above is NOT correct. (1 point) The number of pizzas consumed per month by university students is normally distributed with a mean of 8 and a standard deviation of 3 A. What proportion of students consume more than 9 pizzas per month? Probability3707 B. What is the probability that in a random sample of size 11, a total of more...
Grade point averages of math majors at a large distance education university are normally distributed with...
Grade point averages of math majors at a large distance education university are normally distributed with a mean of 2.85 and a standard deviation of 0.30. If a random sample of 25 math majors is selected from that university, what is the probability that the sample mean grade point average will be a. either less than 2.709 or more than 2.955? b. at least 2.757?
1) The weights of bowling balls are normally distributed with mean 11.5 pounds and standard deviation...
1) The weights of bowling balls are normally distributed with mean 11.5 pounds and standard deviation 2.7 pounds. A sample of 36 bowling balls is selected. What is the probability that the average weight of the sample is less than 11.00 pounds? Write only a number as your answer. Round to 4 decimal places (for example 0.0048). Do not write as a percentage. 2) A survey of high school students revealed that the numbers of soft drinks consumed per month...
Assume that the number of hours college students spend working per week is normally distributed with...
Assume that the number of hours college students spend working
per week is normally distributed with a mean of 18 hours and
standard deviation of 4 hours
2. Assume that the number of hours that college students spend working per week is normally distributed with a mean of 18 hours and a standard deviation of 4 hours. a. Mark the 7 hash marks on the x-axis with the appropriate labels in hours worked per week. Recall that the center hash...
QUESTION 9 Students at a university have heights that are normally distributed with a mean of...
QUESTION 9 Students at a university have heights that are normally distributed with a mean of 165 cm and a standard deviation of 5.2 cm. Suppose that the builders decide to make the doorways 170 cm high. What proportion of students will be able to enter the doorways without bending? O 0.9615 O 0.8319 O 0.1681 O None of the above.
The amount of calories consumed by customers at the Chinese buffet is normally distributed with mean...
The amount of calories consumed by customers at the Chinese buffet is normally distributed with mean 2651 and standard deviation 599. One randomly selected customer is observed to see how many calories X that customer consumes. Round all answers to 4 decimal places where possible, unless otherwise specified. a. What is the distribution of X? X-N b. Find the probability that the customer consumes less than 2548 calories. c. What proportion of the customers consume over 2861 calories? d. The...
1-2.Assume that the height of male students at Anytown State University is normally distributed with (unknown)...
1-2.Assume that the height of male students at Anytown State University is normally distributed with (unknown) mean μ and standard deviation σ-2.4 inches. A random sample of n -9 male students is obtained. 2. a) b) We wish to test H0:μ=69 Hi : μ#69. vs. The average height of the students in the sample was 70.2 inches. Find the p-value. Find the Rejection Region for the test at a -0.05. Tha is, for which values of the sample mean X...
1. The number of pizzas consumed per month by university students is Normally distributed with a mean of 12 and a standard deviation of 5 A. What proportion of students consume more than 14 pizzas per month? B. What is the probability that, in a random sample of 8 students, a sample average of more than 10 pizzas are consumed?
Results for this submission Entered Answer Preview Result 0.3707 0.3707 incorrect 0.1357 0.1357 incorrect At least one of the answers above is NOT correct. (1 point) The number of pizzas consumed per month by university students is normally distributed with a mean of 8 and a standard deviation of 3 A. What proportion of students consume more than 9 pizzas per month? Probability3707 B. What is the probability that in a random sample of size 11, a total of more...
Assume that the number of hours college students spend working
per week is normally distributed with a mean of 18 hours and
standard deviation of 4 hours
2. Assume that the number of hours that college students spend working per week is normally distributed with a mean of 18 hours and a standard deviation of 4 hours. a. Mark the 7 hash marks on the x-axis with the appropriate labels in hours worked per week. Recall that the center hash...
QUESTION 9 Students at a university have heights that are normally distributed with a mean of 165 cm and a standard deviation of 5.2 cm. Suppose that the builders decide to make the doorways 170 cm high. What proportion of students will be able to enter the doorways without bending? O 0.9615 O 0.8319 O 0.1681 O None of the above.
The amount of calories consumed by customers at the Chinese buffet is normally distributed with mean 2651 and standard deviation 599. One randomly selected customer is observed to see how many calories X that customer consumes. Round all answers to 4 decimal places where possible, unless otherwise specified. a. What is the distribution of X? X-N b. Find the probability that the customer consumes less than 2548 calories. c. What proportion of the customers consume over 2861 calories? d. The...
1-2.Assume that the height of male students at Anytown State University is normally distributed with (unknown) mean μ and standard deviation σ-2.4 inches. A random sample of n -9 male students is obtained. 2. a) b) We wish to test H0:μ=69 Hi : μ#69. vs. The average height of the students in the sample was 70.2 inches. Find the p-value. Find the Rejection Region for the test at a -0.05. Tha is, for which values of the sample mean X...
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