Find the probability that in 120 tosses of a fair coin, (a) Between 40% and 60% will be heads.

Q: Find the indicated probability.   If​ P(A or ​B)equals=0.6, P(A)equals=0.5​, and​ P(A and…

A: Given thatP (A or B) = 0.6P (A) = 0.5P (A and B) = 0.25Find P (B)

Q: Total 874 432 245 1551 Given that a randomly selected respondent thought it was a bad idea, what is…

A: We have given that the following table shows the responses to the question, cross-tabulated with…

Q: For the experiment of drawing a single card from a standard 52-card deck, find the probability that…

A: Given: There are 52 cards in a standard deck. There are Diamond, Club, Heart, and Spade each having…

Q: a. Find the probability of getting exactly 1 girl in 8 births.

A: It is given that X : number of girls among 8 children.

Q: A bag contains 4 red chips, 5 blue chips, and 6 green chips.  Bobby selects two chips from the bag…

A: We have to find probability..

Q: Using a standard six-sided die, Janice rolled either a 2 or 5 on the last 6 rolls of die.  What's…

A: Solution Given That, Using a standard six-sided die, Janice rolled either a 2 or 5 on the last 6…

Q: When tossing a dice and a coin together, the probability of getting 1 and a picture together is…

A: Given problem Given that   When tossing a dice and a coin together. The probability of getting 1…

Q: Find the probability of rolling a “1” on a fair die, given that the last 3 rolls were all ones.

A: According to the provided data, it is known that a fair die is rolled. So, the probability of…

Q: d) Calculate the probability that 12 patients do show up.

A: From the given information, 10% of all patients who make appointments at a primary-care clinic do…

Q: enerally results in an increase in the probability of the othe

A: In hypothesis testing, a type I error occurs when the null hypothesis (Ho) is rejected when it is…

Q: Find the probability of obtaining a 4 in each of two successive tosses of a pair of dice

A: In a dice, the probability of getting any number is equally likely Hence, P( first toss is 4) = 1/6…

Q: Approximate the probability that in 297 tosses of a fair die, we will obtain at most 115 fives.

A: Normal Approximation to Binomial distribution:   If the random variable X follows Binomial(n, p),…

Q: Calculate the probability of 3 heads in 5 tosses of a coin, where r is the number of heads…

A:

Q: If the computed z score is -2.33, determine the probability.

A: Explanation:Here given the z score  I find out the probability for computed z-score in step2

Q: In a large population, 57% of the people have been vaccinated. If 3 people are randomly selected,…

A: Obtain the probability that that at least one of them has been vaccinated. The probability that that…

Q: Use the method of your choice to determine the probability below. Randomly meeting either a man or a…

A:

Q: Find the probability that the student was male GIVEN they got a 'B'.

A: Number of students that got B = 20  Total number of students who are male and got B = 5

Q: What is the probability of randomly drawing 7 cards at once from a standard deck of cards and…

A: From the provided information, Total cards in standard deck = 52 Sample size (n) = 7

Q: Find the probability of randomly selecting 3 students from Utah out of a group of 12 students, 5 of…

A:

Q: determine the probability that 6 individuals will answer YES.

A: Let X be the number of answers YES which follows binomial distribution with sample size 10 and…

Q: Use R to simulate the probability of getting at least one 8 in the sum of two dice rolls. -The…

A: *Answer:

Q: Find the probability of getting three 3’s and then a 4 or a 5 in four rolls of a balanced die

A: A balanced die means having the same chance of getting each value on the face.

Q: Miguel is playing cards with his brother when he draws a card from a pack of 30 cards numbered from…

A:

Q: Tina draws a card at random from a deck of cards numbered from 1 to 30. What is the probability of…

A: The total number of cards is 30. The numbers divisible by 5 are 5,10,15,20,25 and 30. That is,…

Q: Find the probability for the experiment of tossing a six-sided die twice. the sum is 2,7, or 8.

A:

Q: When drawing a single card from the deck, what is the probability of getting a face card or a…

A: A deck contains 52 cards in total, and it contains following: 1.   Twelve Face cards (Jack, Queen,…

Q: Find the probability of winning third prize - that is, picking 5 of the 7 winning numbers - with a…

A: We can pick any 7 numbers from 40 numbers in 40C7 ways We can pick 5 of the 7 winning numbers in 7C5…

Q: Find the probability that in 200 tosses of a fair die, we will obtain at least 40 fives

A: Binomial approximation:The normal distribution can be used as an approximation to the binomial…

Q: The director of a film festival received 7 submissions, 5 of which were romantic comedies. If the…

A:

Q: According to American Airlines, its flight 215 from Orlando to Los Angeles is on time 90% of the…

A: It is given that the 90% of the flights from Orlando to Los Angeles are arrived on time. The 15…

Q: Find the probability for the experiment of tossing a six-sided die twice. The sum is 2, 11, or 12.

A: Given, the six-sided die is tossing twice.

Q: A company has 5 full-time employees and 10 part-time employees. The company president randomly…

A:

Q: . For the 47 tires tested, find the probability that the average miles (in thousands) before need of…

A: The mean and standard deviation are 69 and 13, respectively.

Q: In tossing the coin twice, what is the probability of getting one ore two heads?

A: Solution : Sample space for tossing a coin twice is, S = { HH, HT, TH, TT } ∴ n(S) = 4

Q: Find the probability distribution for the number of hearts when three cards are drawn in succession…

A: It is given that three cards are drawn in succession from the deck of cards without replacement.

Q: A poll is given, showing 55% are in favor of a new building project. If 9 people are chosen at…

A: If 9 people are chosen at random, Probability of exactly 1 of them favors the project: 0.00832…

Q: . Find the probability that we will randomly choose the correct finishing order of the first,…

A: The number of ways of selecting correct finishing order in first time is 1 out of 50.

Q: Compute the probability of randomly drawing five cards from a deck and getting exactly one Ace. -…

A: There are 4 aces and (52-4)=48 non-aces in a deck of 52 cards.  If exactly 1 among the 5 cards is…

Q: If Stephen Curry made 272 3pt shots and attempted to make 600 shots what would be the probability?

A: We have given that Favourable outcomes = 272 Total outcomes = 600  Probability = favourable…

Q: If there are 7 red candies in a bag of 36 colored candies, what is the probability of getting a red…

A: Given that the number of red candies= 7 So, n(red)=7 The number of total candies= 36 So, n(all)=36…

Q: Consider the tossing of a pair of dice. Find the probability that the sum of the two die is 6.…

A: The possible outcome for a pair of dice is 36. which is as follows: (1,1), (1,2), (1,3), (1,4),…

Q: Find the probability of getting at least 60 heads, when 100 fair coins are tossed.

A:

Q: What is the probability of rolling a single die to the number 5 and simultaneously flipping a penny…

A: The probability of getting 5 on die is 16. And, the probability of getting head on flipping a penny…

Q: Find the probability that the student was NOT a female that got a "B"

A: Consider ,   A B C Total Male 18 16 10 44 Female 3 4 8 15 Total 21 20 18 59 Our aim is…

Q: d) If gender does not have any effect on employment, calculate the probability that the graduate…

A: The contingency table is   Female Males Total Employed 30 10 40 Unemployed 20 40 60 Total…

Q: Find the probability distribution for the number of heads that occur when 4 coins are tossed.

A:

Q: A class consists of 17 freshmen and 78 sophomores. If a student is randomly selected, what is the…

A:

Q: rom a class of 30 students in which 18 are girls. Find the probability of choosing boy

A: To find the probability of choosing a boy.

Q: Find the probability of getting 6 and 5 respectively in two throws of a die.

A:

Q: Find the probability that 2 or more repair calls will be received in the next hour.

A: Given : repair calls 0 1 2 3 4 probability ? 0.3 0.3 0.2 0.1