Homework Help is Here – Start Your Trial Now!
Math
Probability
(a) The number of customers arriving to a restaurant is a Poisson random variable with a mean of 3 customers per hour. Find the probability that: i. 6 customers will arrive in an hour. i. less than 2 customers will arrive in 30 minutes. iiI. at least 3 customers will arrive in 30 minutes. (b) The average weight of 600 students who were taking IQ test was 38.20 kg with a standard deviation of 15.32 kg. Let be the average weight for a random sample of certain students selected from this school. Find the mean and standard deviation of x for a sample size of: i. 7. i. 480.

(a) The number of customers arriving to a restaurant is a Poisson random variable with a mean of 3 customers per hour. Find the probability that: i. 6 customers will arrive in an hour. i. less than 2 customers will arrive in 30 minutes. iiI. at least 3 customers will arrive in 30 minutes. (b) The average weight of 600 students who were taking IQ test was 38.20 kg with a standard deviation of 15.32 kg. Let be the average weight for a random sample of certain students selected from this school. Find the mean and standard deviation of x for a sample size of: i. 7. i. 480.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
See similar textbooks
icon
Related questions
Question
100%

Statistics and Probabilities

(a) The number of customers arriving to a restaurant is a Poisson random variable with a mean of 3 customers per hour. Find the probability that: i. 6 customers will arrive in an hour. i. less than 2 customers will arrive in 30 minutes. ii. at least 3 customers will arrive in 30 minutes. (b) The average weight of 600 students who were taking IQ test was 38.20 kg with a standard deviation of 15.32 kg. Let i be the average weight for a random sample of certain students selected from this school. Find the mean and standard deviation of x for a sample size of: i. 7. i. 480.
Transcribed Image Text:(a) The number of customers arriving to a restaurant is a Poisson random variable with a mean of 3 customers per hour. Find the probability that: i. 6 customers will arrive in an hour. i. less than 2 customers will arrive in 30 minutes. ii. at least 3 customers will arrive in 30 minutes. (b) The average weight of 600 students who were taking IQ test was 38.20 kg with a standard deviation of 15.32 kg. Let i be the average weight for a random sample of certain students selected from this school. Find the mean and standard deviation of x for a sample size of: i. 7. i. 480.
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Calculus For The Life Sciences
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
SEE MORE TEXTBOOKS