A poll reported that 63​% of adults were satisfied with the job the major airlines were doing. Suppose 20 adults are selected at random and the number who are satisfied is recorded. Find and interpret the probability that between 9 and 12 of​ them, inclusive, are satisfied with the airlines.   The probability that between 9 and 12 ​adults, inclusive, are satisfied with the airlines is _______ (Round to 4 decimals)

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: The probability that an adult possesses a credit card is .35. A researcher selects two adults at…

A: Given information- We have given the probability that an adult possesses a credit card p = 0.35 The…

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: The probability that an adult possesses a credit card is .35. A researcher selects three adults at…

A: Givenp=0.35n=3x~Binomial(n=3,p=0.35)P(X=x)=Cxnpx(1-p)n-x    ; x=0,1....n

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A: Given data No of people who thinks, statistics teachers know the true meaning of life = 338 No of…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: Total Cards in deck = 52 Number of club in the deck = 13 Number of spade in the deck= 13 Probability…

Q: A financial services committee had 60 members, of which 10 were women. If 9 members are selected at…

A: a. The probability that 7 men and 2 women are selected is 0.3041 and it is obtained below: From the…

Q: Male Female Walk 16 24 Bike 19 11 Car 21 22 The table shown gives the results of a poll taken on…

A:

Q: Of the cartons produced by a​ company, 9​%have a​ puncture, 3​% have a smashed​ corner, and 0.5​%…

A: Given : Let A : Cartons has a puncture P(A) = 9% = 0.09 Let B : Cartons has a smashed corner P(B) =…

Q: The data represent the results for a test for a certain disease. Assume one individual from the…

A: The data represent the results for a test for a certain disease. Assume one individual from the…

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: Part a through d please. Thank you!

A: To solve these problems, we can use the binomial probability formula. The binomial probability of…

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A:

Q: A box contains 3 red and 4 blue marbles. Two marbles are drawn one at a time, without replacement.…

A: Probability distribution tree is shown below:   (a) Determine the probability that both marbles are…

Q: 9 Yes 679 159 No 3149 4252 ving l drivers are randomly selected, find the probability that they all…

A:

Q: 63% of all Americans are home owners. 37 Americans are randomly selected, find the probability that…

A: given data P(home owner) = p =0.63no. of trials = n = 37x = no. of home owners in sample

Q: The data represent the results for a test for a certain disease. Assume one individual from the…

A: The data represent the results for a test for a certain disease.   Yes No Total Positive 137 18…

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: The probability that an adult possesses a credit card is .65. A researcher selects two adults at…

A: P(posseses credit card ) = p = 0.65 So q  =1-p = 0.35 Select two at random

Q: The table gives the data of students categorized by gender and major. Math Physics Biology Majors…

A:

Q: A group of people were asked if statistics teachers know the true meaning of life. 201 responded…

A:

Q: The table shows the breakdown of 96 thousand single parents on active duty in a country's military…

A: The probability that a randomly selected single parent in the military is in the Air Force or the…

Q: The probability that an adult possesses a credit card is.75. A researcher selects two adults at…

A: We have to find given probability for independent events.

Q: Fourteen percent of U.S. residents are in their twenties. Consider a group of eight U.S. residents…

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

Q: 69% of all Americans are home owners. If 32 Americans are randomly selected, find the probability…

A: We have to find out given probabiity..