21. The probability that a driver making a gas purchase will pay by credit card is 3/5. If six cars pull up to a gas station to buy gas, treating this as a binomial distribution, what is the probability that four of the drivers will pay for the gas by credit card?

21. The probability that a driver making a gas purchase will pay by credit card is 3/5. If six cars pull up to a gas station to buy gas, treating this as a binomial distribution, what is the probability that four of the drivers will pay for the gas by credit card?

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

Related questions

Q: shows the percer ans people are donating blood, what is pected number of people with type od? Why…

Q: Suppose 59% of vegetarians are women. Suppose a random sample of 500 vegetarians is taken. What is…

A: Answer: From the given data, Population proportion of vegetarians who are women (P) = 59% = 0.59…

Q: Your oil exploration crew is testing for well sites. Historically, the probability of finding oil in…

A: Given, P(finding oil in your geographical region)=P(getting a success)=p=1/20 q=19/20 number of oil…

Q: from a sample of 980 people. We see that 379 of the 460 females in the sample support gun control…

Q: 3. In the mass production of bolts it is found that 5% are defective. Bolts are randomly selected…

A: Givenn=10p=0.05Let X=no.of defective boltsX~Binomial (n=10 , p=0.05)P(X=x)=10x 0.05x 1-0.0510-x ;…

Q: A San Diego interviewer has found that one in four people approached will agree to take part in her…

A: Solution: Let X be the random variable that the number of people will agree to an interview. The…

Q: What is mean and variance of the probability distribution?

Q: The amount of time, in seconds, a cashier spends with a customer during lunch time at a fast food…

A: Suppose the random variable x defines the amount of time, in seconds, a cashier spends with a…

Q: Suppose that the probability that a passenger will miss a flight is 0.0929. Airlines do not like…

A: Given Seating capacity=53

Q: Consider the probability that ta least 25 out of a sample of 1200 people will use the emergency room…

A: Given the large sample size and the binary nature of the outcome (either a person uses the emergency…

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A: Solution: Let X be the average monthly grocery bill for an individual is normally distributed with…

Q: Q2. Identify the Incorrect statement. In a Binomial Distribution each trial: A. Has the same 2…

A: we know; in a binomial distribution- 1. each trials are independent. 2. each trials has only 2…

Q: 1. Suppose that 31% of adults have at least one tattoo. If you sample 90 random adults, what is the…

A: 1. From the given information the sample size is (n) = 90 A population is normally distributed is an…

Q: outh Smoking Twò ðut 8I cquired the habit by age 14. If 400 smokers a andomly selected, find the…

A: Given X~ Binomial n=400 p=0.4

Q: Suppose a biologist is interested in monitoring the number of oak trees with oak wilt per acre. The…

Q: 5) 74% of freshmen entering public high schools in 2006 graduated with their class in 2010. A random…

Q: The table below describes a sample of males and females who like and dislike pizza. Give answers to…

A: a) The contingency table is given as follows: Gender Likes pizza Dislike pizza Total…

Q: If the mean and variance of a binomial distribution are 4 and 2 respectively. Find the probability…

A: Given,The mean of a binomial distribution is, np = 4The variance of a binomial distribution is,…

Q: In a recent pol, a random sample of aduts in some country (18 years and older) was asked, "Wheni you…

A: Note: Hi there! Thank you for posting the question. As there are several independent questions,…

Q: In a recent survey, it was found that the median income of families in country A was $58,000. What…

A: Let X denote the income of families in country A. Given that median of X is 58000

Q: Suppose x is a uniform random variable with a = 20 and b = 60. Find the probability that a randomly…

A: From the given information, Consider, X be the random variable that follows uniform distribution.…

Q: Among 400 randomly selected drivers in the 20 - 24 age bracket, 6 were in a car crash in the last…

A: It is given that the number of randomly selected drivers are 400 and 6 were in a car crash in the…

Q: Claim: The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. Sample data:…

A: given data claim : The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. n…

Q: The probability that a randomly selected individual in a certain community has made an online…

A: We have to find out given probability...

Q: A survey indicates that 65% of people prefer coffee over tea. If 20 people are randomly selected,…

A: probability that people prefer coffee over tea(p)=0.65sample size(n)=20Let "x" no. of people who…

Q: Suppose the amount of time a random customer spends in a grocery store is uniformly distributed…

A: Obtain the probability that a random customer will spend less than one hour in the grocery store.…

Question

21. The probability that a driver making a gas purchase will pay by credit card is 3/5. If six cars pull up
to a gas station to buy gas, treating this as a binomial distribution, what is the probability that four of
the drivers will pay for the gas by credit card?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Follow-up Questions

Read through expert solutions to related follow-up questions below.

Follow-up Question

Issue with image

Solution

by Bartleby Expert

SEE SOLUTION

Similar questions

5 Use the Binomial Distribution to calculate the probability that Lisa was hit by 3 or fewer rotten eggs from Liana.
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?
Please show work... and round probabilities to FOUR DECIMALS The following table summarizes results from 985 pedestrian deaths that were caused by accidents. Pedestrian Pedestrian was NOT Intoxicated intoxicated Driver was intoxicated 59 79 Driver was NOT 266 581 intoxicated If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was intoxicated or the driver was intoxicated. If two DIFFERENT pedestrian deaths are randomly selected, find the probability that they both involve intoxicated pedestrians. If we randomly select a pedestrian death, what is the probability that the pedestrian was intoxicated, given that the driver was intoxicated? If we randomly select a pedestrian death, what is the probability that the driver was intoxicated?
Suppose you model a game of chance with a discrete probability distribution. Let X be the net amount of money or lost by the player. Let pX be the probability of the corresponding outcome. The three events are as follows: There is a 23% chance the player wins 7 dollars. there is a 38% chance the player loses 4 dollars. there is a 39% chance the player breaks even. COMPLETE THE TABLE BELOW TO MODEL THE SCENARIO X PX)
Suppose you are going to draw 20 cards, with replacement, from a deck of 52 cards and record the proportion of draws that are red. There are 26 red and 26 black cards in a typical deck of cards. You draw the 20 cards, replacing each card between draws, and 2/20 cards drawn are red. Are you suspicious about the fairness of this deck of cards? Simply list the answer to your probability calculation and explain your reasoning.
6.12, please
Q1. It is reported that the percentage of people in a small village that have health insurance is 80%. If 17 people are randomly selected, the find the following (a) The probability that 7 of them have health insurance. (b) The probability that at least 10 have health insurance.
A class president is favored by 53% of all students voting, assuming this is accurate, a random sample of 400 students are surveyed. 1. What is the probability that less than 49% will favor this student? 2. What is the probability that more than 57% will favor the student?
How is the probability distribution of a variable defined?
Q5. It was found that a New Brunswick family doctor has on average 14 patients calling in for anappointment they say they need to have on that very day during a standard 10 hour work day.Using the tables(a) What is the probability that a New Brunswick family doctor has more than 20 patientscalling in for an appointment they say they need to have on that very day during a standard10 hour work day?(b) What is the probability that a New Brunswick family doctor has more than 2 patientscalling in for an appointment they say they need to have on that very day during the nexthour?(c) What is the probability that a New Brunswick family doctor has 7 or less 20 patientscalling in for an appointment they say they need to have on that very day during the next3 hours?(d) For this situation, determine the probabilities of being within 1, 2 an d 3 standard deviations for the mean and compare these results to the empirical rule