sefective microwaves have been included in a shipment of 6 microwaves. The buyers want to test the 6 microwaves one at a time. Let Y denote the number of defective microwaves is found after 3 random selected ones have been tested. a. Calculate the probability that the buyers can find at least I defective microwave after 3 have been tested? b. Find the probability that buyers cannot find any defective microwave after 3 random ones have been tested?

Q: physics class has 50 students. Of these, 17 students are physics majors and 18 students are female.…

A: It is given that, in a physics class, there is a total of 50 students. Out of these, 17 students are…

Q: .A box consists of five red markers and four blue markers. A teacher chooses four markers at random…

A: Solution-: Given: Number of red markers =5, Number of blue markers =4 Total number of markers = 5…

Q: . If the ball is white, find the probability that the first urn was selected

A: Let us define some events A : The first urn is selected. B : the second urn is selected. E : the…

Q: Find the probability of at least 2 female visitors in 19 visitors to Mt. Rainier National Park.…

A: Given that male and female visitors are equally likely. That is, P(male)=P(female)=1/2=0.5 Let us…

Q: In a statistics class of 42 students, there were 11 men and 31 women. Six of the men and seven of…

A:

Q: 1. A coach has 6 players that will join track and field. The random variable that is being studied…

A: Given, X is count of winning players. X 1 2 3 4 5 6 f(x)=P[X=x] 0.40 0.24 0.19 0.1 0.05 0.02

Q: bag B contains 2 red and 5 green balls. Two balls will be drawn randomly from bag A and they will be…

A: Bag  A Red 3 Green 4   Bag  B Red 2 Green 5 Step -1: Consider all possible events…

Q: A physics class has 50 students. Of these, 18 students are physics majors and 16 students are…

A: From the given information, total number of students n(S) = 50. Number of physics majors n(Physics)…

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: An urn contains 2 white balls and 8 red balls. A second urn contains 6 white balls and 4 red balls.…

A:

Q: The probability of being dealt a hand containing 3 spades, 4 hearts, 2 diamonds, and 2 clubs is.…

A: Here use hypergeometric distribution

Q: A physics class has 40 students. Of​ these, 16 students are physics majors and 18 students are…

A: GivenTotal No. of students=40No.of physics majors=16No.of female =18No.of females and physics…

Q: A die is rolled 9 times. Find the probability of rolling no more than 3 fives. The probability of…

A:

Q: For items 15-18. A bag contains 7 white balls, 3 red balls and 2 black balls. A ball is picked from…

A: In this question we have to solve question based on the probability. We know, Probability of event…

Q: A box contains 5 green balls and 4 red balls. The probability of selecting 2 green balls and 1 red…

A: There are 5 green balls and 4 red balls.

Q: find the probability that a house owner owns none of them.

A: Here define events  house owner owns a lawnmower  = L house owner owns weed Wacker   = W p(L)  = 0.7…

Q: There is a survey having only 2 options(yes/no).The survey has 7 questions and the person answering…

A:

Q: In a class of 10 students there are 4 boys and 6 girls. If a committee of 3 students is selected…

A:

Q: For biased coins, the probability of getting 5 heads out of a toss of 5 coins equals the probability…

A:

Q: A platter contains 48 doughnuts: 26 cake, 13 glazed, and nine jelly-filled. Suppose two doughnuts…

A: Since we are selecting in succession, so the order matters. We will use the permutation method. We…

Q: Find the probability X = 2 cents.    Find the probability X = 6 cents.    Find the probability X =…

A:

Q: Use the following table to find the probability.   Male Female Write with left hand 55 38 Do not…

A: 1. Consider the following table for necessary calculations.   Male Female Total Write…

Q: An urn contains five white balls and six red balls. The second urn contains eight white balls and…

A: It is an important part of statistics . It is widely used .

Q: A physics class has 50 students. Of​ these,17 students are physics majors and 13 students are…

A: From given data, P(Physics majors)=17/50 P(Female)=13/50 P(Physics majors and Female)=4/50 P(Physics…

Q: l7Q15. A box contains 3 red, 4 black, and 7 green balls. If three balls are drawn one after the…

A: Given,no.of red balls=3no.of black balls=4no.of green balls=7Total no.of balls=14

Q: An urn contains 4 white balls and 6 red balls. A second urn contains 7 white balls and 3 red balls.…

A: given that…

Q: the probability that 3 of them are black and 2 white. A box contains 8 black and 4 white balls. If 5…

A:

Q: Suppose the candidate pool for two appointed positions includes 10 women and 5 men. All candidates…

A: Here N= 5men+10women =15   Selecting 2 men from 5 men is 5C2 ways   Probability of selecting of 2men…