An engineer suspects mercury contamination in an area that contains 3 lakes and 2 streams. He will check all 5 for mercury contamination. Assigned L for lakes, S for streams. What is the sample space? List down all possible combinations. Find the probabilities for each value of the random variable X Make the probability distribution.

Q: The probability that a lab passes a health and safety inspection is 97%.  A health and safety…

A: Let X: number of labs.X has binomial distribution because trials are finite, trials are independent…

Q: Find the probability distribution for the number of Modern CD when 4 CDs are selected at random from…

A:

Q: Find the indicated probability.  In one town, 39% of all voters are Democrats. If two voters are…

A: From the given information, it is clear thatThe probability that all voters are democrats= 0.39.That…

Q: wo balls are picked in succession without replacement - 4 white balls and 5 green balls. Let Y be…

A:

Q: probability of getting a total score of 15

A: We have to find out the probability of getting a total of 15.

Q: Select two cards from the standard deck of 52 cards with replacement. Find the probability of…

A: It is known that, Number of cards = 52 Number of king cards = 4

Q: Three people are selected for a committee from 7 Democrats and 5 Republicans. What is the…

A: Given information: Frequency of Democrats, d = 7 Frequency of Republicans, r = 5 A committee of x =…

Q: You order 13 pizzas, five that are cheese and eight that are mushroom. They arenot labelled on their…

A: There are total 13 boxes.  We can pick any 5 boxes from those 13 boxes in 13C5 ways.    If we want…

Q: A jar contains 4 pennies, 3 nickels and 6 dimes. A child selects 2 coins at random without…

A: 4 pennies 3 nickels 6 dimes ______________ 13 total coins   select 2 coins at random without…

Q: a biscuit tin contains 8 bourbons and some digestives. there are n biscuits in total in the tin. Roy…

A:

Q: Roll a pair of dice 10 times. Determine the probability of having exactly

A: Given that the pair of dice is rolled 10 times. When rolling pair of dice, the possible outcomes for…

Q: A box at a miniature golf course contains 77 red golf balls, 88 green golf balls, and 33 yellow golf…

A: Case (i): It is given that there are 77 red balls, 88 green balls, and 33 yellow balls. The total…

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: In a box there are 4 red, 4 blue and 3 white marbles. Two marbles are selected at random and the…

A:

Q: Find the probability distribution for the number of dance collections when 3 collections are…

A: Let X be a random variable which represents the number of dance collections when 3 collections are…

Q: Billy selects some cards from a standard 52 card deck.  What is the probability that he selects 1…

A: Given data: The total numbers of cards in the playing deck are n=52. The numbers of hearts are h=13.…

Q: Brad has to select 5 students from a class of 43 girls and 21 boys. What is the probability that…

A: GivenNo.of girls in a class = 43No.of boys in a class = 21Total no. of boys = 64

Q: 10% of people born as girl . Calculate the probability that in a batch of 150 students,more than 130…

A:

Q: 3. Three cards are drawn in succession from a deck without replacement. Find the probability…

A:

Q: Determine the probability of selecting all faculty and no administrators

A: Total=18 Faculty=10 Administration=8 Committee of 8 members P=? (All from faculty and no from…

Q: There are 6 red eggs and 8 green eggs in a tank. Joe reaches in and randomly eats 4 eggs. What is…

A: Given: Number of red eggs, n(R)=6. Number of green eggs, n(G)=8. Total number of eggs, N=14.…

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

A:

Q: Find the probability distribution for the number of dance collections when three collections are…

A: Given that, three collections are selected at random from a dance collection consisting of three Hip…

Q: What is probability of getting a total of 6 or 10 when a pair of dice is tossed?

A: I solved exactly first question because of bartleby policy if you want more please uplode…

Q: The probability of having a child that is left handed is10%. If three children are randomlyselected,…

A: From the given information we want to find the probability that at least one child is left handed.

Q: Katherine works at a grocery store and is assigned their daily duty by the shift manager in charge.…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.