A store manager gathers some demographic informationfrom the store's customers. The following chartsummarizes the age-related information theycollected:AgeNumber of Customers< 206720-298030-399340-495650-5999> 6092One customer is chosen at random for a prize giveaway.(Round answers to 4 decimal places.)a. What is the probability that the customer is at least30 but no older than 49?b. What is the probability that the customer is eitherolder than 60 or younger than 20?c. What is the probability that the customer is at least60?

here use given frequency distribution here in given table total 487 customer involve in survey here…

Answered: a. What is the probability that the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

An airline estimates that the probability is 0.05 that people making reservations on a certain flight will not show up. Consequently, their policy is to sell 84 tickets for a flight that can only hold 80 passengers. a. What is the probability that there will be a seat available for every passenger who shows up? What is the average number of passengers that will not show up? b.
A mortgage advisor sells on average 3.5 mortgages every two weeks. i. What is the probability that they sell 5 mortgages in a two week period? ii. What is the probability they sell more than 8 mortgages over a four week period?
What is the probability there are at least 5 cars in the drive-thru?
The class I'm taking is statistics! I am completely stuck. Need help. I have attached the problem. Please view attachment before answering. Thank you!
George buys six lottery tickets for $2 each. In addition to the grand prize, there is a 20% chance that each lottery ticket gives a prize of $4. Assume that these tickets are not grand prize winners. a.What is the probability that the tickets are winners more than the average that George expected? b.What is the probability that none of the tickets are winners? c.What is the probability that at least one of the tickets is a winner?
The probability that a certain state will be hit by a major tornado (category F4 or F5) in any single year is 15. Complete parts (a) through (d) below. a. What is the probability that the state will be hit by a major tornado two years in a row? b. What is the probability that the state will be hit by a major tornado in three consecutive years? c. What is the probability that the state will not be hit by a major tornado in the next ten years? d. What is the probability that the state will be hit by a major tornado at least once in the next ten years?
What is the probability that a student is in 11th grade and plays football?
Find the probability that the person prefers hiking on the coastline given that the person is a female.?(??? ?????????│??????) =
Which of the following do you think could possibly be true? A. The number of students enrolled at a university decresed by 100% from last year B. The probability that an NFL team win the super bowl this year is 110% C. A student flips a coin 10 times and obeserves 65% of the time the coin lands on tails D.85% of students at a university are enrolled full-Time
It has been observed that the average number of accidents that occur on an assembly line is 3 per week. Find the probability that: i. A particular week will be accident free. ii. At least three (3) accidents will occur in a week. iii. Exactly five (5) accidents will occur in two week
A novice marksman is shooting at a target 1000 feet away. The probability of his hitting the target is 0.3. a. What is the probability that he hits the target on the 25th shot? b What is the probability that he will have to shoot more than 200 times to hit the target? c. What is the probability that the number of shots he has to take to hit the target is greater than or equal to 60? d. What is the probability it will take him more than 1020 shots to hit it? e. What is the probability that the number of shots he will have to make to hit the target is 20 or fewer? f. What is the expected number of shots it will take him to hit the target? g. What is the variance of the number of shots needed to hit the target?

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS

a. What is the probability that the customer is at least 30 but no older than 49? b. What is the probability that the customer is either older than 60 or younger than 20? c. What is the probability that the customer is at least 60?