4. In a five children family, find the probability that there will be 1 to 3 boys. a. 0.6250 b. 0.9376 c. 0.7813 d. 0.9689

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A: Solution

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Q: 1. A coin is tossed six times. What is the probability of obtaining four or more heads ?

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A: Given the die has six faces numbered 1, 2, 3, 4, 5 and 6 The sample space, S= { 1, 2, 3, 4, 5, 6 }…

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A: Total number of out comes, n(S)=6

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A: The pmf of the binomial random variable with parameters n = 10 and p = 0.20 is given as follows:

Q: Could you help me solve and understand number 2 (a) and (b) ?

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Q: If the experiment is in state 1 on the third observation, what is the probability it will be in…

A: Thanks for the question :)And your upvote will be really appreciable ;)

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Q: e 5. If from a pack of cards, a single card is drawn, what is the probability that it is either a…

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Q: Ms. Smith asks the students in one of her classes if they have a cat or a dog. Her results are…

A: To find the probability that a randomly selected student who has a dog given the student has cat :

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A: Given : nickels = 20 dimes = 16 quarters = 14

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A: Given that. Total quarters=44+6=50 U.S quarters=44 Canadian quarters=6 Find P(at least 1 Canadian…

Q: What is the probability of getting at least one 6 on three rolls of a die?

A: It is an important part of statistics. It is widely used.

Q: What is the probability that in four births exactly two girls will be born?

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

Q: Given a class of 12 girls and 10 boys please answer the following below: C.) What is the…

A: Given data: Number of girls  = 12 Number of boys = 10 Thus, Total students = 12 + 10 = 22 To find:…

Q: If S = { 1, 2, 3, 4, …….., 100} A = { 2, 4, 6, 8, ………. ,98, 100}            B = { 1, 3, 5, 7, 9,…

A: From the provided information, S = {1, 2, 3, 4, ……., 100} A = {2, 4, 6, 8, ….., 98, 100} B = { 1, 3,…

Q: According to a survey, 68% of the Alabama households own a pet. Suppose we select 12 households at…

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Q: 6. If a fair coin is to be flipped 2,500 times, find an approximation for the probability that the…

A: A fair coin is flipped 2500 times. Define the random variable, X : Number of heads in 2500 tosses.…

Q: What is the probability that Z is between 1.53 and 1.84​?

A:

Q: We are told that 37%37% of students at a large university are minorities. If a student from this…

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Q: If a random student has studied German before, what is the probability they have also studied French…

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Q: 1. A jar contains marbles with the following colors: 3 red, 5 blue, and 2 green. What is the…

A: A jar contains Red colour marbles = 3 Blue colour marbles = 5 Green colour marbles = 2 Total marbles…

Q: Given a standard 52 cards deck, What is the probability that a player is dealt 3 cards and at least…

A: From the provided information, The total cards in a standard deck = 52 Total ace cards = 4

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A: Let there a sequence of trials each having two outcomes, Success and Failure. Trials are independent…

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Q: If six different customers A,B,C,D, E and F arrive for service at random order what is the…

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Q: What is the probability that in a race between 10 friends, Billy is first and Michael is last?

A: Here use basic probability

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A: We have given  A lottery game has balls numbered 1 through 11 n=11  A=even number=(2,4,6,8,10)…

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Q: A committee consists of 30 males and 13 females. If 3 persons are selected at random, what is the…

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Q: 6. Suppose three fair coins are tossed, and the number of heads that appear is recorded. What is the…

A: According to the given information, we have Three fair coins are tossed. Given that number of heads…

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A: A deck consists of 52 cards. n(S)=52

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Q: If 4% of the population is color blind, what is the probability that a group of 30 people, exactly…

A: If 4% of the population is color blind, what is the probability that a group of 30 people, exactly…