High school probability Uncovered: Discover the Secrets with Plainmath's Expert Help
Akira Huang 2022-05-22Tate has bag of golf balls 3 red, 5 blue, 2 yellow, and 2 green. What is the probability that he pulls out a red one, replaces it, and then pulls out another red one?
Anahi Jensen 2022-05-21A customer in a computer store can choose one of four monitors, one of three keyboards, and one of five computers. How do you determine the number of possible system configurations?
groupweird40 2022-05-21How many exams consisting of three questions could a professor build from a bank of nine questions?
madridomot 2022-05-21How many subsets of five elements can be formed from a set of 80 elements?
hawwend8u 2022-05-21How many distinct permutations can be made from the letters of the word "infinity"?
Landyn Jimenez 2022-05-21How do you write all possible selections of two letters that can be formed from the letters A, B, C, D, E, and F?
hughy46u 2022-05-21How many four letter words are possible using the first 5 letters of the alphabet if letters can be repeated?
Kiana Harper 2022-05-20Jenna has downloaded 11 songs onto her computer. She wants to create a playlist of 5 songs. How many different 5-song playlists can be created from the downloaded songs?
katkoota00ys 2022-05-20Three couples have reserved seats for a Broadway musical. How many different ways they can sit if two members of each couple wish to sit together?
Scolfaro2y 2022-05-19For the experiment of tossing a six sided die twice, what is the probability that the sum is odd or prime?
Madison Norris2022-05-18Sharon draws a random card, from a regular deck of cards, and rolls a regular 6 sided die. What is the probability that Sharon draws a card that is a Heart and rolls a 3?
Sharon draws a random card, from a regular deck of cards, and rolls a regular 6 sided die. What is the probability that Sharon draws a card that is a Heart and rolls a 3?
nguyenlinh110820 2022-05-18The Internal Revenue Service is studying the category of charitable contributions. A sample of 25 returns is selected from young couples between the ages of 20 and 35 who had an adjusted gross income of more than $100,000. Of these 25 returns, five had charitable contributions of more than $1,000. Four of these returns are selected for a comprehensive audit.
a. Explain why the hypergeometric distribution is appropriate.
b. What is the probability exactly one of the four audited had a charitable deduction of more than $1,000?
c. What is the probability at least one of the audited returns had a charitable contribution of more than $1,000?
The Internal Revenue Service is studying the category of charitable contributions. A sample of 25 returns is selected from young couples between the ages of 20 and 35 who had an adjusted gross income of more than $100,000. Of these 25 returns, five had charitable contributions of more than $1,000. Four of these returns are selected for a comprehensive audit.
a. Explain why the hypergeometric distribution is appropriate.
b. What is the probability exactly one of the four audited had a charitable deduction of more than $1,000?
c. What is the probability at least one of the audited returns had a charitable contribution of more than $1,000?
In a bag of marbles, there are 10 green, 6 red, and 4 blue. What is the probability that you draw a red
ball?
In a bag of marbles, there are 10 green, 6 red, and 4 blue. What is the probability that you draw a red
ball?
lexiyoon1 2022-05-16check each binomial distribution to see whether it can be approximated by normal distribution (that is, np ≥5 and nq ≥5).
a.) n=20, p=0.5
b.)n=50, p=0.2
c.)n=10, p=0.6
d.)n=30, p=0.8
e.)n=40, p=0.9
f.)n=20 p=0.85
check each binomial distribution to see whether it can be approximated by normal distribution (that is, np ≥5 and nq ≥5).
a.) n=20, p=0.5
b.)n=50, p=0.2
c.)n=10, p=0.6
d.)n=30, p=0.8
e.)n=40, p=0.9
f.)n=20 p=0.85
oglasnak9h01 2022-05-14What is the relationship between 5P3 and 5C3?
Waylon Mcbride 2022-05-14The 25 students in your class will present.your teacher randomly selects a student to give the first presentation. Find the probability that you are NOT selected first?
syaoronsangelhwc17 2022-05-13A committee of 4 people is chosen from 8 women and 8 men. How many different committees are possible that consist of 2 women and 2 men?
