Assume that random guesses are made for seven multiple choice questions on an SAT test, so that there are n=7 trials, each with probability of success (correct) given by p=0.35. Find theindicated probability for the number of correct answers.Find the probability that the number x of correct answers is fewer than 4.P(X<4)=(Round to four decimal places as needed.)View an example2@23²WS#m#3XHcommandGet more help.2680F3ED$4CaR20StvFJA%5VIFSTGVA746 BADEMacBook Air^6F6YB&7H8UN*8JDII1M9KDDO)O<IggggggggLClear all$10P:command;>?I{+=Check answer[?option11441}1delete

Suppose a random variable x, defines that the number of randomly selected questions.

Answered: Assume that random guesses are made for…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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assume that random guesses are made for 8 multiple choice questions on an SAT test, so that there are n=8trials, each with probability of success (correct) given by p=0.65. find the indicated probability for the number of correct answers. find the probability that the number x of correct answers is fewer than 4.
The police tested 550 people, to see if anyone would match the partial fingerprint at the crime scene. The probability of getting a false-positive result for a single person, was 0.3%. In the video: What did we find was the approximate percentage probability, that out of 550 people tested, there would be at least one false-positive result? Round to four digits past the decimal point, and include a percentage symbol in your answer (with no spaces).
A group of people were asked if they had run a red light in the last year. 147 responded "yes", and 399 responded "no".Find the probability that if a person is chosen at random, they have run a red light in the last year. Give your answer as a fraction or decimal accurate to at least 3 decimal places
Assume that random guesses are made for fifteen multiple choice questions on a medical admissions test, so that there are n= 15 trials, each with a probability of success (correct) given by p= 0.25. Find the probability that the number x of correct answers is fewer than 7. The probability that the number x of correct answers is fewer than 7 is (Round to three decimal places as needed.)
Assume that random guesses are made for ninemultiple choice questions on an SAT test, so that there are n=9trials, each with probability of success (correct) given by p=0.4Find the indicated probability for the number of correct answers. Find the probability that the number x of correct answers is fewer than 4.
There are 100 multiple-choice question on exam, each having responses a, b, c, d. suppose that a student has 75% chance to answer each qustion correctly and all the answers are independent. if the student needs to answer at least 40 questions to pass, what is the probability that the student passes? Use normal approximation.
The mean percent of childhood asthma prevalence in 43 cities is 2.07%. A random sample of 33 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.4%? Interpret this probability. Assume that o = 1.39%. The probability is (Round to four decimal places as needed.)
Assume that random guesses are made for seven multiple choice questions on an SAT test, so that there are n=7 trials, each with probability of success (correct) given by p=0.6. Find the indicated probability for the number of correct answers. Find the probability that the number x of correct answers is fewer than 4.
The mean percent of childhood asthma prevalence in 43 cities is 2.13%. A random sample of 32 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.5%? Interpret this probability. Assume that o = 1.34%. The probability is. (Round to four decimal places as needed.)
The probability that someone passes the road test to get a driver's license is 0.55. Let N represent the number of road tests a person must take to get his/her driver's license. Find P(N < 6). (Round your answer to 3 decimal places).
Assume that random guesses are made for seven multiple choice questions on an SAT test, so that there are n=7 trials, each with probability of success (correct) given by pequals=0.55 Find the indicated probability for the number of correct answers. Find the probability that the number x of correct answers is fewer than 4.

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