Twenty percent of all telephones of a certain type are submitted for service while under warranty. Of these, 70% can be repaired, whereas the other 30% must be replaced with new units. If a company purchases ten of these telephones, what is the probability that exactly three will end up being replaced under warranty? (Round your answer to three decimal places.) n USE SALT

Q: How are your grades? In a recent semester at a local university, 400 students enrolled in both…

A: given data  n(total) = 400 n(A in statistics) = 90 n(A in psychology) = 68 n(A in both) = 31

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: Suppose you like to keep a jar of change on your desk. Currently, the jar contains the following: 9…

A: given data  Pennies=9 Dimes=20 Nickels=22Quarter=8________________total coins=59

Q: Jeri is listening to the songs on a new CD in random order.  She will listen to two different songs,…

A:

Q: Alison Bender works for an accounting firm. To make sure her work does not contain errors, her…

A:

Q: 72% of all students at a college still need to take another math class. If 33 students are randomly…

A: From the provided information, Sample size (n) = 33 72% of all students at a college still need to…

Q: In a digital transmission system, bits of 0's and 1's are transmitted sequentially through a cable.…

A: Given that  n=10 , p=20%=0.20 , q=1-p=1-0.20=0.80 X~Binomial(n=10,p=0.20) p=Probability of the bits…

Q: 73% of all students at a college still need to take another math class. If 4 students are randomly…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 14 men are randomly…

A: given p=65%=0.65 , n=14  P(X=3)=? X~Bin(n=14, p=,0.65)

Q: 63% of all bald eagles survive their first year of life. If 44 bald eagles are randomly selected,…

A: I will use excel to solve this question.…

Q: 30% of all college students major in STEM (Science, Technology, Engineering, and Math). Round your…

A: answer By using given data,

Q: Terry purchases 30 scratch off lottery tickets. Each ticket has a 10% chance of winning. What is the…

A: Given: The sample size is n= 30. The probability of winning is p=10%=0.10.

Q: Of all the registered automobiles in a city, 5% fail the emissions test. Fifteen automobiles are…

A: We have given that  Sample size n=15  Probability of success p=5%=0.05  q=1-p=0.95 P(X=x)=…

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: Winston, a dog, loves to play fetch.  He catches each ball mid-air independently with probability…

A: From the given information we find the mean number of catches.

Q: 35% of all college students major in STEM (Science, Technology, Engineering, and Math). If 41…

A: Here,  and .The pmf of binomial distribution is,

Q: 64% of all bald eagles survive their first year of life. If 49 bald eagles are randomly selected,…

A: The question is about discrete prob. distributionGiven :Prop. of all bald eagles survive their first…

Q: Maggie is practicing her penalty kicks for her upcoming soccer game. During the practice, she…

A: Sample size, n = 10Probability , p = 65% = 0.65

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: d. Between 2 and 9 (including 2 and 9) of them live in poverty.

A: Given that  Number of trials n=47 Success of probability p=0.10 X~binomial (n,p)

Q: 63% of all bald eagles survive their first year of life. If 50 bald eagles are randomly selected,…

A: Note:- "Since you have posted a question with multiple sub parts, we will provide the solution only…

Q: At a used-book sale, 102 books are adult books and 150 are children's books. Of the adult books, 76…

A:

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

Q: Answer the following questions in a separate sheet of paper then send a picture of your answer 1.…

A: Comment: As per the our company guidelines we are supposed to answer only one question. Kindly…

Q: 60% of all students at a college still need to take another math class. If 46 students are randomly…

A: As per our guideline we are suppose to answer three sub parts.