 High school probability questions and answers

Recent questions in High school probability granger0317 2022-01-13

2022-01-12

you are currently taking your multiple-choice file exam that contains 50 questions with 4 answer choices each using binomial probability what is the probability you get exactly 13 questions correct around your answer to the nearest thousandth osnomu3 2021-12-31 Answered

There are 15 tennis balls in a box, of which 9 have not previously been used. Three of the balls are randomly chosen, played with, and then returned to the box. Later, another 3 balls are randomly chosen from the box. Find the probability that none of these balls has ever been used. Bobbie Comstock 2021-12-28 Answered Maria Huey 2021-12-27 Answered

The probability that a certain machine turns out a defective item is 5%. Find the probabilities that in a set of 75 items: (a) Exactly 5 defective items (b) No defective items (c) At least one defective item (d) What is the expected value of the number of defective items? CANNOT BE EXCEL! Thank you! diferira7c 2021-12-27 Answered

The chance of an IRS audit for a tax return reporting more than 25,000 in income is about 2% per year a. give the distribution of X. $$\displaystyle{X}\sim{B}$$(__,__) b. how many audits are expected in a 20 year period? c. find the probability that a person is not audited at all. d. find the probability that a person is all the dead more than twice. untchick04tm 2021-12-26 Answered

Suppose that vehicles taking a particular freeway exit can turn right (R), turn left (L), or go straight (S). Consider observing the direction for each of three successive vehicles. (a.) List all outcomes in the event A that all three vehicles go in the same direction. (b.) List all outcomes in the event B that all three vehicles take different directions. (c.) List all outcomes in the event C that exactly two of the three vehicles turn right. (d.) List all outcomes in the event D that exactly two vehicles go in the same direction. (e.) List outcomes in D', $$\displaystyle{C}\cup{D},{\quad\text{and}\quad}\ {C}\cap{D}$$. Donald Johnson 2021-12-24 Answered

Two cards are drawn successively and without replacement from an ordinary deck of playing cards Compute the probability of drawing a. Two hearts. b. A heart on the first draw and a club on the second draw. c. A heart on the first draw and an ace on the second draw. Hint: In part (c), note that a heart can be drawn by getting the ace of hearts or one of the other 12 hearts. abreviatsjw 2021-12-21 Answered Alfred Martin 2021-12-21 Answered

What did you learn from binomial and Hyper- geometric distributions? Write a brief note of five lines on these distributions. Stefan Hendricks 2021-12-21 Answered

The probability of getting a passing grade for an exam is 0.4. What is the probability of getting the third student who has a passing grade when 10th student have took the exam Ikunupe6v 2021-12-21 Answered

Assume that when adults with smartphones are randomly​ selected, 55​% use them in meetings or classes. If 11 adult smartphone users are randomly​ selected, find the probability that fewer than 4 of them use their smartphones in meetings or classes. The probability is nothing. Wanda Kane 2021-12-21 Answered

Suppose that you flip a coin 14 times. What is the probability that you achieve at least 4 tails? kloseyq 2021-12-21 Answered

Consider a binomial experiment with $$\displaystyle{n}={20}$$ and $$\displaystyle{p}={0.70}$$ a) Compute f(12) b) Compute f(16) c) Compute $$\displaystyle{P}{\left({x}\geq{16}\right)}$$ d) Compute $$\displaystyle{P}{\left({x}\le{15}\right)}$$ e) Compute E(x) f) Compute $$\displaystyle{v}{a}{r}{\left({x}\right)}$$ and $$\displaystyle\sigma$$ Alfred Martin 2021-12-20 Answered

Simplify, please: $$\displaystyle{\frac{{{n}!}}{{{\left({n}-{3}\right)}!}}}$$ Kaspaueru2 2021-12-20 Answered

A hand of 5 cards is dealt to each of three players from a standard deck of 52 cards. (a)What is the probability that one of the players receives all four Aces? (b)What is the probability that at least one player receives no hearts? James Dale 2021-12-20 Answered

42​% of adults say cashews are their favorite kind of nut. You randomly select 12 adults and ask each to name his or her favorite nut. Find the probability that the number who say cashews are their favorite nut is​ (a) exactly​three, (b) at least​ four, and​ (c) at most two. If​ convenient, use technology to find the probabilities. (a) $$\displaystyle{P}{\left({3}\right)}=$$ (b) $$\displaystyle{P}{\left({x}\geq{4}\right)}=$$ (c) $$\displaystyle{P}{\left({x}\le{2}\right)}=$$ Joanna Benson 2021-12-20 Answered

Seven balls are randomly withdrawn from an urn that contains 12 red, 16 blue, and 18 green balls. Find the probability that (a) 3 red, 2 blue, and 2 green balls are withdrawn; (b) at least 2 red balls are withdrawn; (c) all withdrawn balls are the same color; (d) either exactly 3 red balls or exactly 3 blue balls are withdrawn. Shelia Lawrence 2021-12-19 Answered

Edward has to take a five question multiple-choice quiz and his socialolgy class. each question asked four choices for answers of which only one is correct. assuming that edwards guesses on all five questions. what is the probability that he will answer a) all five questions correctly b) exactly 2 questions correctly c) at least two questions correctly Zerrilloh6 2021-12-19 Answered

An insurance salesman sells policies to 5 men the prob. that a mean will be a live in 30 years is $$\displaystyle{\frac{{{2}}}{{{3}}}}$$. Find the prob. that in 30 years: a) all 5 men , b) at least 3 men , c) only 2 men

High school probability is one of those interesting tasks that young students receive as part of their statistics and probability assignments. You should also find the answers to probability exercises for high school along with the high school probability questions that will help you come up with the most efficient solutions. If you would like to focus on statistical challenges, you should also use high school probability problems as well as it is based on our examples. Be it related to equations or graphs that will talk about probability, follow our examples and things will become clearer!
...