Assume that on a standardized test of 100 questions, a person has a probability of 85% of answering any particular question correctly. Find the probability of answering between 70 and 80 questions, inclusive. (Assume independence, and round your answer to four decimal places.) P70 X 80) Need Help? Pe

Q: Approximate the probability that X is greater than 70 and less than 90.

A:

Q: John runs a computer software store. He counted 121 people who walked by his store in a day, 51 of…

A: We have given  the following statement about the software store.  121 people who walked by his store…

Q: A quick quiz consists of a multiple-choice question with 5 possible answers followed by a true/false…

A: Given dataMultiple choice questions with 5 possible answers followed by a true and false5 possible…

Q: The probability that a spark plug is defective is 35%. Suppose that a person buys 7 spark plugs.…

A:

Q: 79% of all bald eagles survive their first year of life. Give your answers as decimals, not…

A: Given data: p =0.79 n =39

Q: Find the indicated probability. Round your answer to four decimals. According to a survey, 60% of…

A: It is given that the number of observations are independent with the probability of success p = 60%…

Q: A 7​-question ​multiple-choice quiz has 5 possible answers for each question. Only one of the 5…

A:

Q: d. For the 11 people, find the probability that the average age that they learned to walk is between…

A: Mean=11, standard deviations=1.5 X ~N(11,1.5), n=11

Q: 75% of all bald eagles survive their first year of life. Give your answers as decimals, not…

A: Given Information: 75% of all bald eagles survive their first year of life. i.e., p=0.75 If n=30…

Q: 1. Suppose we have a six-sided die that we roll once. Let ai represent the event that the result is…

A:

Q: A single, six-sided die is rolled. Find the probability of rolling an even number or a number less…

A: It is given that a six-sided die is rolled. We have to find the probability of rolling an even…

Q: eport the answer as a percent rounded to two decimal place accuracy. You need not enter the "%"…

A: Let us assume that one out of the four possible answers, is only correct for both questions…

Q: A student takes a 30 question multiple choice test where each answer has answer choices (a) - (d).…

A: Let x follows binomial distribution with parameters n = 30 and p = ¼ = 0.25   The pdf of binomial…

Q: In a large population, 58% of the people have been vaccinated. If 5 people are randomly selected,…

A: Answer: Given that:                    p=       ,   n=                      now will use Binomial…

Q: PROBABILITY UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS LEGIBLY. NO LONG EXPLANATION…

A: blood type proportion A 0.41 B 0.1 AB 0.04 O 0.45

Q: In an experiment, positive and negative values are equally likely to occur. The probability of…

A:

Q: The weatherman says that there is a 64% chance of rain today. What is the probability that it will…

A: There is 64% chance of rain today.

Q: Someone has 11 fair coins in a red bowl . The entire bowl is dumped on a table. Find the probability…

A:

Q: find the probability of given data:   left of z score -2.3 between the z score  -2.3 and 1.53

A:

Q: Answer and explain the steps by steps procedure of the solution. You roll a fair die twice. What is…

A: Given : You roll a fair die twice. What is the probability of rolling a 3 on the first roll and an…

Q: 4. If we toss a biased coin that is twice as likely to come up heads as tails, five times, solve for…

A:

Q: During a Formula 1 test. 25% of the cars that participated in the test experienced a tire blowout.…

A: Correct answer is  (C) 0.1484

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.31%. A random sample of 31 of…

A: From the provided information, Mean (µ) = 2.31% Standard deviation (σ) = 1.27% Let X be a random…

Q: Allie plays on the varsity basketball team and makes 79% of her free throws. If she takes 12 shots,…

A: Given : p = 0.79 q = 1 - p = 1 - 0.79 = 0.21 n = 12 we have find P(x = 8) here, x follow a binomial…

Q: Find the probability of obtaining exactly one heart in four drawing from a deck of 52 cards.

A: Let p be the probability of getting heart. Then p = 13/52 = 0.25 Let X denote the number of hearts…

Q: Mini Task Instructions: Find the probability given the following conditions. Create a table like the…

A:

Q: 28) The probability that z lies between -1.10 and -0.36

A: Given, P(-1.10 < X < -0.36)  We will use z-standard normal distribution.

Q: The weatherman says that there is a 56% chance of rain today. What is the probability that it will…

A: P(rain today): P(A) = 56% = 0.56

Q: A student takes a true-false test but did not study and randomly guesses each answer. There are 20…

A:

Q: A quick quiz consists of a multiple-choice question with 3 possible answers followed by a…

A: Given that the quiz contains multiple-choice question with 3 possible answers followed by…

Q: Find the set An U. U={1, 2, 3, 4, 5, 6, 7, 8, 9, 10} A= {4, 8, 9, 10} Select the correct choice…

A: U=1,2,3,4,5,6,7,8,9,10A=4, 8, 9, 10

Q: Describe the difference between odds and probability. Give an example of each to support your answer…

A: Here we have to describe the difference between odds and probability. Give an example of each to…

Q: Multiple choice exam has 10 questions each one has 5 choices, a student answer all questions…

A: Probability

Q: Read and solve the problem; choose the best answer(s) from the choices provided. Seniors at Central…

A:

Q: A poll showed that 45.2% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given, Marilyn Monroe had an affair with JFK= 45.2% Probability that randomly selected individual…

Q: A quick quiz consists of a true/false question followed by a multiple-choice question with 6…

A:

Q: A jar contains four times as many red marbles as blue marbles. What is the probability of drawing a…

A: Consider that there is total x blue marbles in the jar.

Q: Through ten games of basketball this season, Samuel has made 90% of his free-throws. Which word or…

A: Probability is a branch of mathematics that deals with calculating the likelihood of a given event's…

Q: A quick quiz consists of a true/false question followed by a multiple-choice question with 5…

A: Let us define some events A : the true/false questiom is correct. B : the multiple choice question…

Q: Find the probability of selecting a red card from a standard deck of cards. a 1 4 1 52 1 13

A: We need to find the probability of selecting a red card from a standard deck of cards. The solution…

Q: Write the answer as a decimal, accurate to 4 decimal places. If a bag contains 5 green balls, 5 blue…

A: According to the given information in this question We need to find that the probability that the…