What is the probability that a randomly selected student sings in the shower 1-2 times a week given that the student prefers country?

Q: Suppose that you sampled 2 CEOs with replacement instead. How many different samples are possible,…

A: Sampling is a process which is used in statistical analysis. In sampling a predetermined number of…

Q: A four-person is selected at random from a population of 14 men and 16 women. What is the…

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Q: Suppose the average number of zebra seen on a 2-day safari is 5. What is the probability that…

A: Given that the average number of zebra seen on a 2-day safari is 5. So, the average number of zebra…

Q: What is the probability of drawing a red or blue marble out of a bowl with 10 red, 6 blue, 9 green?

A: Given that,no.of red marbles=10no.of blue marbles=6no.of green marbles=9Total no.of marbles=25

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: Assume that when adults with smartphones are randomly​ selected, 37​% use them in meetings or…

A: We have given that,  Probability (p) = 37% = 0.37 . n = 9 . And x=2 .

Q: If 50 of 250 people contacted make a donation to the city symphony, the probability of outcome of…

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Q: If one card is randomly selected from a deck of cards, what is the probability of selecting a king…

A: In a deck of 52 cards, there are 4 kings and 4 queens.  So total number of kings or queens= (4+4)=8…

Q: use them in meetings or classes. If 10 adult smartphone users are randomly​ selected, find the…

A: 10 adult smartphone users are randomly selected and 49% use them; n=10 p=0.49

Q: What is the probability of randomly selecting a 3-children family with two girls?

A: We will first list all possible outcomes in the sample space, then we will use following definition…

Q: If you know the names of the remaining 10 students in the spelling bee, what is the probability of…

A: You have 10 choices for the first student * 9 choices for the 2nd student * 8 choices for the 3rd…

Q: What is the probability that team b wins the series ?

A: Given Data: P( A wins)=0.4 P( B wins)=0.6   Team A wins the first game

Q: what is the probability to get 3 tails and 1 head.

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Q: What is the probability of selecting one person at random who is a smoker?

A: From the provided information, Total person = 100 Number of persons who smoke = 54

Q: What is the probability that out of 12 students on a swim team, they will line up from youngest to…

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Q: What is the probability of obtaining blue followed by green or purple?

A: Given ,First spinner is having three different colours pink, blue, brown.Second spinner is having…

Q: t is the probability of drawing two red cards from a standard deck of 52 playing cards without…

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Q: A box contains 20 white balls and 10 black balls. 8 balls are drawn at random one after another…

A: Given;a box contains 20 white balls and 10 black balls. and 8 balls are drawn at randomone after…

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

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Q: Five girls and 6 boys on the debate team lined up randomly to walk on stage.  What is the…

A: Given: Number of boys = 6 Number of girls = 5

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: In terms of probability, what does it mean to say that two events are independent?

A: Two events are independent , if we know that occurrence of one event does not affect the probability…

Q: Assume that when adults with smartphones are randomly​ selected, 47​% use them in meetings or…

A: The binomial distribution function is: PX=x=Cxnpx1-pn-xwhere,n=number of trials,x=number of success,…

Q: Suppose a class has 30 students, 13 male and 17 female. What is the probability that if a teacher…

A: It is given that the class consists of 30 students of which 13 are male and 17 are female. Teacher…

Q: A thief must randomly guess the correct 5 digit pin from a 8 key keypad. What's the probability he…

A: Here there are two possibilities 1) If repetition of number is allowed 2)if repetition of number is…

Q: Assume that 65% of the geology student going for the geological fieldwork study the field rock…

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Q: A class consists of 10 males and 30 females. If one student is randomly selected from the class,…

A: We have given the  that  10 males  30 females  Total = 40

Q: If the probability of being hospitalized during a year is 0.25. Find the probability that no one is…

A: X has binomial distribution. X~binomial(n,p)n=3p=0.25probability mass function of X;…

Q: If you toss 6 coins, what is the probability of all 6 coins matching?

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Q: What is the probability of having 4 boys given the oldest is a boy?

A: Solution

Q: What is the probability of drawing two red cards from a standard deck of 52 playing cards?

A:

Q: Which of the following statements meet the standards of appropriate falsifiable hypothesis for an…

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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: Assume that when adults with smartphones are randomly​ selected, 53​% use them in meetings or…

A: given data P(use smartphone in meeting or class) = p = 0.53sample size (n) = 5x = no. of adults use…

Q: What is the probability of getting 6 or more girls in 8 births

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Q: Assume that when adults with smartphones are randomly​ selected, 35​% use them in meetings or…

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Q: A group of families that have 3 kids are in a group. What family that has three girls, given the…

A: Topic = Probability