The amount of time it takes for a student to complete a statistics quiz is uniformly distributed between 27 and 56 minutes. One student is selected at random. Find the probability of the following events. A. The student requires more than 52 minutes to complete the quiz. = B. The student completes the quiz in a time between 32 and 37 minutes. = C. The student completes the quiz in exactly 44.17 minutes. = %3D

Q: 60% of all students at a college still need to take another math class. If 4 students are randomly…

A: Givenp=0.60n=4x~Binomial(n=4,p=0.60)P(X=x)=(nx)×px×(1-p)n-x ; x=0,1...,n

Q: Determine the probability that in a sample of 100 the sample proportion is less than .75 if p = 0.80

A: Given, Sample size, n = 100 Population proportion, p =0.8 Z = p^-pp1-pn

Q: At a certain University, the chance of a student receiving financial aid is 73%. 15 students are…

A:

Q: 20 dice were rolled. die that shows a number different from 1 is rolled again. Find the probability…

A: No. of dice rolledIf a die shows , it'll be rolled again.The probability distribution function of…

Q: Determine if the following statements are true or false. If false, explain. (a) In a paired analysis…

A: Solution: Dependent sample t test:  The dependent sample  t  test determines whether the mean values…

Q: In a recent survey, 65% of the community favored building a health center in their neighborhood. If…

A: Given  p=65%, n=14, x=8

Q: 8% of all Americans live in poverty. If 45 Americans are randomly selected, find the probability…

A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Based on historical data kept by a business school, the probability distribution for students who…

A: Given Observation and Calculation

Q: According to a Gallup Poll, the probablity that a Republican approves of the death penalty is 69%.…

A: The probability that Republicans approve of the death penalty is 69%.p=0.69wants to calculate…

Q: o reduce the paperwork and administrative cost, a company wants to know whether mployees are…

A: We have given that  Sample size n =254  Favorable cases x =160 Sample proportion p^=x/n  =160/254 =…

Q: Find the mean of the given probability distribution. The probabilities that a batch of 4 computers…

A: From the given information we have to find the mean of the probability distribution .Using formula,

Q: Assume that when adults with smartphones are randomly selected 52% use them in meetings or classes.…

A:

Q: Suppose the movie theatre box office of a new film to be released is predicted to follow a Normal…

A:

Q: The table gives the proportion of adults in a certain country in each age group, as well as the…

A: To determine the probability that a randomly selected adult who smokes falls within the 18-24 age…

Q: Exactly 2 of them need to take another math class.  b. At most 2 of them need to take another math…

A: Given that  n = 5 , p = 71% = 0.71 , q = 1 - p = 1 - 0.71 = 0.29 X ~ Binomial (n = 5 , p = 0.71) X:…

Q: At a used-book sale, 100 books are adult books and 155 are children's books. Of the adult books, 74…

A: The contingency table is given as : Adult booksChildren bookTotalNon…

Q: 8% of all Americans live in poverty. If 48 Americans are randomly selected, find the probability…

A: given data sample size n = 48population proportion who lives in poverty = p = 0.08x= no. of people…

Q: In a large population, 66% of the people have been vaccinated. If 4 people are randomly selected,…

A:

Q: a. What is the probability that, in five free throw attempts, the basketball player makes exactly…

A: Here given,  A famous basketball player makes 75% of his free throws. Assume free throw attempts are…

Q: undredths place. upcakes are being randomly passed out to very student in the class. The assortment…

A: We have given that,  Carrot cake = 6 Chocolate cake = 5 Lemon = 3 Mint chocolate = 2 Birthday cake =…

Q: e the data in the following table, which summarizes results from 15 Pedestrian Intoxicated? Yes No…

A: Solution: The given table of data is

Q: Write your answer as a fraction reduced to lowest terms and as a percent rounded to the nearest…

A: When a coin is tossed then there are 2 possible outcomes.The probability of tossing a coin and it…

Q: Find the indicated probability. Suppose that 11% of people are left handed. If 8 people are selected…

A: Let x follows binomial distribution with parameters n = 8 and p = 0.11   The pdf of binomial…

Q: 62% of all Americans are home owners. If 44 Americans are randomly selected, find the probability…

A: Given  Sample size n=44, p=probability of all Americans are home owners  According to Bartleby…

Q: A bean bag is randomly thrown onto the square table top shown and does not touch a line.   Determine…

A: According to the provided information, there are total 11 box on the square table. In which,

Q: 65% of the people in Missouri pass the driver's test on the first attempt. A group of 7 people took…

A: Introduction:If X ~ Bin (n, p), then the probability mass function of X is:p (x) = (nCx) px (1 – p)n…

Q: Suppose it takes a child between 4.5 and 12 minutes to eat an ice cream cone. Let X= the time, in…

A:

Q: In an original group, the probability of choosing a girl from that group was 1/3 When 1more girl…

A: Consider a number of boys are x and the number of girls are y and solve it by using given…

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 40…

A: Answer: Given that: p= 0.27 , n= 40 now will use Binomial probability calculator To find…

Q: 61% of all violent felons in the prison system are repeat offenders. If 44 violent felons are…

A: Using binomial distribution: n =44 P=61% =61/100 =0.16