In a family with 7​children, excluding multiple​ births, what is the probability of having7 ​girls? Assume that a girl is as likely as a boy at each birth.

Q: What is the probability of rolling a 3 on a number cube and choosing a heart from a deck of cards?

A: Recall:  P(A and B)=P(A∩B)=P(A)×P(B)

Q: Two dice are rolled four times. Calculate the probability of doubles four times in a row?

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Q: A package contains 14 candy canes, 8 of which are cracked. If 3 are selected, find the probability…

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Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: A physics class has 50 students. of these, 16 students are physics and 13 students are female. Of…

A: From the provided information, Total students = 50 16 students are physics and 13 students are…

Q: baseball player has a lifetime batting average of 0.313. If, in a season, this player has 385 "at…

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Q: An airport limo has 4 passengers and stops at 6 different hotels.  What is the probability that two…

A: Concept of probability:Probability deals with the likelihood of occurrence of a given event. The…

Q: In a family with 7 ​children, excluding multiple​ births, what is the probability of having 4…

A: The objective of this question is to find the probability of a family with 7 children having 4 boys…

Q: In a family with 7 children, excluding multiple births, what is the probability of having exactly 2…

A: Given that n=7, p=1/2=0.5 X~Binomial(n=7,p=0.5) X be the number of girls births. p be the…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 9 seeds are planted,…

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Q: In the United States, 51% of births are female and 49% are male. If an American family has 5…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: A box contains 5 red marbles, 6 white marbles, and 8 blue marbles. If a marble randomly selected…

A: Given that Red marble = 5 White marble = 6 Blue marble = 8 Total marble = 6 + 5 + 8  = 19

Q: A die is rolled five times. A 4 is considered “success" ,while all other outcomes are "failures”…

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Q: A jar contains 10 red marbles, 6 green marbles, and 13 blue marbles. What is the probability that…

A: Given A jar contains 10 red marbles, 6 green marbles, 13 blue marbles.

Q: When tossing a balanced coin seven times, the probability of getting three heads only is ?

A: Probability is given by: Number of Favourable outcomesNumber of Total outcomes  As it is a balanced…

Q: In a family with 7 children, excluding multiple births, what is the probability of having exactly 1…

A: It is given that there is equal chances of having a boy and a girl. So the probability of having a…

Q: gumball machine has 40 red, 30 white and 10 yellow gumballs in it, and you purchase one gumball at…

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Q: A fair die is rolled four times. A 2 is considered​ "success," while all other outcomes are​…

A:

Q: In a class of 10, there are 5 students who play soccer. If the teacher chooses 2 students, what is…

A: Given that,  5 students play soccer  5 students not paly soccer  Total students =10 students

Q: A jar has 6 orange marbles and 10 red marbles. What is the probability of drawing two orange marbles…

A: We have given that  A jar has 6 orange marbles and 10 red marbles. Total number of marbles = 16

Q: A jar contains 20 berries, 14 sweet and 6 sour. If you pick a berry at random, what is the…

A: Given that, A jar contains 20 berries 14 sweet and 6 sour.

Q: An opaque bag contains 13 yellow and 12 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 = 12 Total number…

Q: class consists of 33 women and 21 men. If a student is randomly selected, What is the probability…

A: Given data, class consists of 33 women 21 men Total strength in class=21+33=54 P(Student is woman)=?…

Q: jar contains 7 red marbles, 8 green marbles, and 4 blue marbles. What is the probability that you…

A:

Q: In a business, 24 employees feel they get enough breaks out of a total of 53. If you select 3…

A: GivenTotal no. of employees = 53No.of employees feel they get enough breaks = 24No.of employees feel…

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: Nasa needs to select a 7 person crew for a space mission from 43 applicants of whom are 21 women.…

A: Given data: the total numbers of applicants are n=43. The numbers of persons selected for space…

Q: A card is drawn from a well shuffled deck of 52 cards. Find the probability of getting a King or…

A: Given: Number of cards in a deck= 52 Number of Kings = 4 Number of Queens = 4 Number of Jacks = 4

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

A: There are 52 cards in a standard deck of cards.  We can select 2 cards from 52 cards in 52P2=2652…