a shipment contains 14 igneous, 12 sedimentary, and 12 metamorphic rocks. if 8 rocks are selected at random, find the probability that exactly 6 are sedimentary

Q: An urn contains 11 red, 10 white and 37 blue marbles. A child selects two marbles at random and…

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Q: A box contains 8 red, 5 white, 6 blue and 11 black marbles. If one marble is taken from the box,…

A: we have 8 red , 5 white , 6 blue and 11 black marbles if one marble is taken from the box, find the…

Q: An opaque bag contains 13 yellow and 18 teal marbles. If two marbles are randomly chosen from the…

A: Answer: From the given data, Number of yellow marbles = 13 Number of teal marbles = 18 Total number…

Q: An urn contains 5 white balls and 6 red balls. A second urn contains 8 white balls and 4 red balls.…

A: Given data: The numbers of white balls in the first urn are w1=5. The numbers of red balls in the…

Q: In a particular area 40% of men and 15% of women are overweight and there are four men and three…

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Q: A machine produces 10 per cent defective items. Ten items are selected at random. Find the…

A: From the provided information, A machine produces 10 per cent defective items that is p = 0.10…

Q: A history class is comprised of 9 female and 4 male students. If the instructor of the class…

A:

Q: An urn contains 3 yellow balls and 6 white ball . If Vince chooses 7 balls at random from the urn ,…

A: The number of yellow balls is 3 and the number of white balls is 6.

Q: In a dance class, there are 20 females and 25 males. Fifteen are dancers from G-Force. Eight of the…

A: Given information: n(F)=20n(M)=25Total=45n(G-Force)=15n(M∩G-Force)=8 Find: P(F∪G-Force)=?

Q: A bag contains 9 metal balls, 10 hollow balls, 4 glass balls and 18 plastic balls. What is the…

A:

Q: The probability that a student in Oakland will receive a B in Kathy Williamson's statistics class is…

A: Given that, The probability that a student in Oakland will receive a B in Kathy Williamson's…

Q: A BOOK CONTAINS 6 WHITE AND 4 BLACK BALLS.IF 3 BALLS ARE DRAWN AT RANDOM,FIND THE PROBABILITY THAT…

A:

Q: An urn contains 4 white and 3 red balls. Find the probability distribution of red balls in a random…

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Q: An urn has 5 red balls, 5 blue balls, 4 green balls, and 3 yellow balls. What is probability of…

A: It is given that Number of red balls = 5 Number of blue balls = 5 Number of green balls = 4 Number…

Q: A batch consists of 7 defective spark plugs and 33 good ones. Find the probability of getting two…

A: This is a case of a Poisson random variate. A discrete random variable X is said to follow Poisson…

Q: An opaque bag contains 16 yellow marbles and 22 teal marbles. If two marbles are randomly chosen…

A: Answer: From the given data, number of yellow marbles = 16 number of teal marbles = 22 Total number…

Q: Suppose a jar contains 13 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

A: Given problem Given that   Suppose a jar contains 13 red marbles and 35 blue marbles. If you reach…

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 35…

A: Formula : Binomial distribution is given by

Q: From a group of 4 TV critics and 8 movie critics, we randomly select 5 people. If at least 2 movie…

A: Solution-:l We have 4 TV  critics and 8 movie  critics We randomly select 5 people If at least 2…

Q: A local high school only has two sports teams with a total of 297 students on sports teams: a…

A: Let us denote : A=base ball team B=basketball team   Given that n(A)=106, n(B)=134, n(A and B)=57…

Q: A bottle contains 18 tablets of 6 aspirin, 4 tylenol and 8 advil. 6 tablets are randomly selected…

A: We have found that a bottle contains 18 tablets of 6 aspirin, 4 Tylenol, and 8 Advil.We selected 6…

Q: A bowl contains 3 red chips and 4 white chips. Three chips are drawn from the bowl. What is the…

A: Given Information: There are 3 red chips and 4 white chips. Three chips are drawn from the bowl. The…

Q: In a survey of college​ students, 808 said that they have cheated on an exam and 1770 said that they…

A: Given that in a survey of college​ students, 808 said that they have cheated on an exam and 1770…

Q: A box has 12 balls, 4 are red and 8 are green.  Randomly choose 3 balls from the box without…

A: We have given that,  Total balls = 12  Red balls = 4  Green balls = 8  Then,  We will find the…

Q: Cymond, Curt and Jam each randomly pick a movie from 7 choices. What is the probability that they…

A: Given info: Cymond, Curt and Jam each randomly pick a movie from 7 choices.

Q: In a box of 30 chocolates, there are 5 chocolate covered cherries, 10 are filled with caramel, 15…

A: Since I eat the first piece, so this problem is using without replacement.  I can pick any 2 pieces…

Q: An jar contains 3 red balls, 2 blue balls, and 5 white balls. A ball is selected and its color…

A: Given that  Total balls=3+2+5=10 Red balls=3 , Blue balls=2 , White balls=5

Q: A lock consists of 2 dials, where each dial has 4 letters. What is the probability of guessing the…

A: Experiment : Guessing the combination Event: Guessing the right combination.

Q: An urn contains 4 red, 4 black, 6 blue and 2 green balls. If five balls are randomly selected from…

A: Given,no.of red balls=4no.of black balls=4no.of blue balls=6no.of green balls=2total no.of balls=16

Q: A box contains 5 red, 3 white and 6 blue balls. If 3 balls are drawn at random without replacement,…

A:

Q: An urn contains eight white balls and two red balls. A second urn contains two white balls and a red…

A: Here Take Probability of first Urn=P(F) Probability of second Urn=P(S) Probability of Red=P(R)…

Q: ach individual letter of the word TENNESSEE is placed on a piece of paper and all 9 pieces of paper…

A: Given letter is  : TENNESSEE Which contain nine letters we have formula for Probability=Possible…