In the introductory statistics class, there are 15 females and 10 males. Two students are selected at random from the class and the first student is not returned to the class for possible reselection (sampling is without replacement). Find the probability that the first student selected is male and the second one is a female. Round your answer to four decimal places. Probability (P)

Q: In a survey of 131 people 115 expressed support for the governor. Find p hat and a hat where p hat…

A: Given data, n=131 x=115 p=?

Q: The number of different color jellybeans in  jar is given below.  If you choose one jellybean at…

A:

Q: Construct all random samples consisting of three observations from the given data. List all the…

A: Solution-: We have following data:  83,86,89,92,95 Consisting 3 random numbers from given data List…

Q: You draw two cards from a standard deck of 52 cards and do not replace the first one before drawing…

A: Solution: From the given information, two cards to be drawn without replacement.

Q: John runs a computer software store. He counted 121 people who walked by his store in a day, 51 of…

A: We have given  the following statement about the software store.  121 people who walked by his store…

Q: Sixty percent of consumers prefer to purchase electronics online. You randomly select 8 consumers.…

A: Let the R.V X denotes the number of consumers prefer to purchase electronics online  and it follows…

Q: Find the indicated probability. Round your answer to four decimals. According to a survey, 60% of…

A: It is given that the number of observations are independent with the probability of success p = 60%…

Q: Compute the probability of randomly drawing five cards from a deck and getting 3 Aces and 2 Kings.

A: here given 5 card are drawing from deck of 52 cards. There are total 13 ranks in cards ,…

Q: A coin is flipped 5 times and X is the number of tails.  Find the probability distribution of X. Do…

A: Introduction :-  Here we have to find out the probability distribution for number of tails. If a…

Q: Construct all random samples consisting of four observations from the given data. List all the…

A: Solution-; Given data: 84,87,90,93,96 List all the possible outcomes, get the mean of every sample,…

Q: Find the values of the random variable Z and complete the table.

A: Here 4 coins are tossed

Q: A poll showed that 45.4% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: It is given thatP(Americans believe that Marilyn Monroe had affair) = 45.4% = 0.454

Q: In a large population, 58% of the people have been vaccinated. If 5 people are randomly selected,…

A: Answer: Given that:                    p=       ,   n=                      now will use Binomial…

Q: Ferry 7 13 16 11 62 Rental Car Train 8 45

A: A Venn diagram for  travelers are given.The aim is to find the probability that a selected traveler…

Q: Two socks are chosen. Given 5 Red, 4 Blue, and 6 Green socks. What is the probability of picking a…

A:

Q: There are 3 red, 1 blue and 2 purple marbles in a bag. Once a marble is selected, it is replaced.…

A:

Q: You randomly select one card from a 52-card deck. Find the probability of selecting a red card. A.…

A: We have to find probability of getting red card.

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: John runs a computer software store. He counted 125 people who walked by his store in a day, 51 of…

A:

Q: Multiple choice exam has 10 questions each one has 5 choices, a student answer all questions…

A: Probability

Q: A single card is drawn at random from a deck of playing cards. Find the probability the card is an…

A: A single card is drawn at random from a deck of playing cards.

Q: Estimate the probability that a person who walks by the store will come in and buy something

A: here given , John runs a computer software store. He counted 120 people who walked by his store in…

Q: In a recent survey, 69% of the community favored building a police substation in their neighborhood.…

A: Formula : Binomial distribution is given by

Q: Roll 12 dice simultaneously, and let X denote the number of 6's that appear. Find the probability of…

A: Let X be a random variable denotes the number of 6's. Here, X~Bin12,16. Calculate the probability of…

Q: Find the indicated probability. Find the probability that the sum is no more than 7 when two fair…

A: When two dice are rolled then the possible out comes…

Q: 9. There are 9 grade eleven students and 15 grade twelve students in a gym class. Six students are…

A:

Q: John runs a computer software store. He counted 124 people who walked by his store in a day, 52 of…

A: Given information is ;  n(sample space ) = number of peoples who walked by his store  =124 n(A) =…

Q: John runs a computer software store. He counted 120 people who walked by his store in a day, 53 of…

A: P (  person who walks into the store will buy something ) is = ?

Q: Calculate the Probability. Probability of rolling a sum of 2 or 4 when given two dice.

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…

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

A:

Q: 80% of people who purchase pet insurance are women. If 9 pet insurance are randomly selected. Find…

A: given dataP(women pet insurer) = p = 0.80ample size (n) = 9x = no. of women pet insurerP(x=6) = ?

Q: A group of people were asked if statistics teachers know the true meaning of life. 255 responded…

A:

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

A:

Q: A jar contains 2 pennies, 7 nickels and 7 dimes. A child selects 2 coins at random without…

A: Given that  A jar contains  Number of pennies = 2 Number of nickels = 7 Number of dimes = 7 Total…

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.