Coffee Men Women Total Brand A 526 338 864 taste test Brand B 942 633 1575 at a local grocery Total 1468 971 2439 a) If one of these individuals is selected at random, find the probability that they prefer Brand A coffee. b) If one of these individuals is selected at random, find the probability that they prefer Brand A coffee, given that a man is selected.

Q: A test was given to a group of students. The grades and gender are summarized below B 4 8 5 Total 23…

A: Given that ABCTotalMale154625Female851326Total2391951

Q: Defects occur at random in planks of wood with an average of 0.5 per 10 cm length. Office building…

A:

Q: A test was given to a group of students. The grades and gender are summarized belo A B Total Male 20…

A: Given table    A B C Total Male 20 9 15 44 Female 7 16 18 41 Total 27 25 33 85

Q: The data shown in the table represent the numbers of people working in engineering organization. The…

A: It is given that Number of civil engineers = 5+11+17+8+4 = 45 Number of civil engineers and has…

Q: A test was given to a group of students. The grades and gender are summarized below Total Male 18 13…

A: Given   A B C total Male 5 18 13 36 Female 14 3 16 33 Total 19 21 29 69

Q: 6. Data show that 20% of all patients who make appointments at a primary-care clinic never show If…

A: Please help with number 6 a, b, e   Proportion of patients who make appointments and never show up =…

Q: How many bags must be sampled so that the probability is

A: It is given that the mean weight of the bag is µ and the standard deviation is 7.57 Kg.  We have to…

Q: A test was given to a group of students. The grades and gender are summarized below B Total Male 3…

A:

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

A:

Q: Assume that when adults with smartphones are randomly​ selected, 39%use them in meetings or classes.…

A: Let us assume X= the number of persons who uses smartphones in meetings or classes n= number of…

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: A test was given to a group of students. The grades and major are summarized below A C Total Art 20…

A: Given data is   A B C Total Art 20 17 6 43 Business 3 5 16 24 Total 23 22 22 67

Q: A bag contains 10 green marbles, 5 yellow marbles and 5 red marbles. You choose ane marble. What is…

A:

Q: The data shown in the table represent the numbers of people working in engineering organization. The…

A: It is given that Number of civil engineers = 5+11+17+8+4 = 45 Number of civil engineers and has…

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

A:

Q: An urn contains 15 red, 25 white and 36 blue marbles. A child selects two marbles at random and…

A: Given: 15-red25-white36-blueHence, total=76 2 are selected at random

Q: A test was given to a group of students. The grades and gender are summarized below A Male 16 19 14…

A: A B C total male 16 19 14 49 female 20 11 2 23 total 36 30 16 80

Q: Suppose we have a bowl with 15 marbles : 10 red, 3 green, and 2 blue. We randomly select 4 marbles…

A:

Q: If one student is chosen at random from those who took the test, Find the probability that the…

A: Let use define some events A : a student was female. B : a student got a B. Number of students with…

Q: A test was given to a group of students. The grades and gender are summarized below   A B C Total…

A:

Q: find the probability that exactly 22 of them use their smartphones in meetings or classes.

A: It is given that the number of observations are independent with probability of success p = 42% =…

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: A test was given to a group of students. The grades and gender are summarized below A B C Male 2 13…

A: From the provided information,   A B C Total Male 2 13 3 18 Female 6 14 18 38 Total 8 27 21…

Q: If one student is chosen at random, find the probability that the student got a 'C' GIVEN they are…

A: Probability of an event when event B is given is determined by,

Q: Assume that when adults with smartphones are randomly​ selected, 56​% use them in meetings or…

A: Let "X" be the adults who use their smartphones in meetings or classes.

Q: An article contains 1303 words. The frequencies of words with various lengths are given in the…

A: The question is about probability Given :

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 56​% use them in meetings or…

A: Binomial distribution describes the possible number of events occurs in fixed number of trials.…

Q: * The data shown in the table represent the numbers of people working in engineering organization.…

A: Given that  Number of  civil engineers = A = 5 + 11 + 17 + 8 + 4 = 45 Number of civil engineers and…

Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: Denote X as the adults who use their smartphones in meetings or classes, which following binomial…

Q: A test was given to a group of students. The grades and gender are summarized below A В C Total Male…

A: Question: If one student is chosen at random, find the probability that the student was female GIVEN…

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: At a factory that produces pistons for cars, Machine 1 produced 174 satisfactory pistons and 126…

A: Machine 1 produced 174 satisfactory pistons and 126 unsatisfactory pistons.Total pistons produced by…

Q: A number is choosen at random from 1 to 25 . Find the probability of selecting a composite number

A: A number is chosen at random from 1 to 25. Total possibilities or outcomes are 25. Now the composite…

Q: A test was given to a group of students. The grades and gender are summarized below   A B C Total…

A: the probability that the student got a 'B' GIVEN they are female is given by PB/F=PB∩FPF This is…

Q: With a standard 52 deck of cards find the probability to withdraw randomly a face card or a heart .

A: Given data: A standard 52 deck of cards

Q: A shipment contains 10​ igneous, 8 ​sedimentary, and 8 metamorphic rocks ... If 5 rocks are selected…

A: Given that  Shipment contains rocks  igneous = 10 Sedimentary = 8 Metamorphic = 8 Total rocks = 26…

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

A: Given that two cards are selected from a standard deck of 52 playing cards.The experiment is…

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

A: