5,341 Answered Questions for the topic probability

05/04/21

There are 16 Students in a class

There are 16 students in a class and two people missed a recent quiz. The class average before the two absent students made up the quiz was 92%. When the two students made up the quiz, one earned a... more
Probability

05/04/21

Question asked below

Using a standard deck of cards, find the probability I pull a card between 4 and 8 (inclusive
Probability

05/03/21

conditional probability

Let A and B be events. Prove that 𝑃(𝐴 ∪ 𝐵) = 𝑃(𝐴) + 𝑃(𝐵) − 𝑃(𝐴 ∩ 𝐵).
Probability

05/03/21

0, 5, 10, 12 what is the probability the product is zero?

Probability

05/03/21

How much will Daniel have to earn in the sixth week to have the same average weekly earnings as Alice? 

Daniel and Alice each earn money by babysitting. Daniel earned a total of $84 in a 5-week period. During a 6-week period, Alice averaged $16 per week. How much will Daniel have to earn in the sixth... more

05/03/21

Please I need help in Polynomial Remainder Theorem

1. The dimension of The volume of a container is modeled by a function V(x)= 𝑥3 + 3𝑥2 − 10𝑥 − 24. Let x cm represent the length, (x – 2) cm the width, and (x + 5) cm the height. Find one positive... more
Probability

05/02/21

There is a particular probability that each student in a certain class will skip class tomorrow

There is a particular probability that each student in a certain class will skip class tomorrow, and these probabilities are independent. If the probability that Jan will skip class tomorrow... more
Probability Math

05/02/21

Need Help With Math

Dairy Queen has four different sizes for their Blizzards. There are twenty types of Blizzards. How many different Blizzards can be ordered if you were to get one with one of five extras?
Probability Statistics Word Problem

05/01/21

Probability word problem

A high school baseball player has a 0.176 batting average. In one game, he gets 4 at batsa. What is the probability he will get exactly 2 hits in the game?b. What is the probability he will get... more
Probability Statistics Word Problem

05/01/21

Probability word problem with marbles

A bag contains 28 marbles total, with 9 red marbles, 9 white marbles, and 10 blue marbles.You draw 3 marbles out at random, without replacement. What is the probability that all 3 are red?P(all 3... more
Probability Word Problem

04/30/21

Probability word problem

An urn contains 11 red, 12 white and 21 blue marbles. A child selects two marbles at random and without replacement from the urn.Find the probability that the colors of the selected marbles are... more
Probability Math Mathematics

04/30/21

Rounded to the two decimals, determine P(Sophomore | Off-Campus).

Imagine a diagram. In the left circle its labeled 0.22 for sophomores. In the right circle its labeled 0.10 for off-campus. In the middle circle its labeled 0.06
Probability Math Mathematics

04/30/21

To the nearest two decimals, what is the probability of Renal Disease given Negative Test Results

truth positive negative total--------------------------------------------------------------------------------renal disease 44 23 ... more
Probability Maths

04/30/21

Probability question

A code consists of six digits chosen at random from 0 to 9.the code can begin with a zero and digits can be repeatedhow many codes will end with 0 ?how many will contain the digits 2018 together... more
Probability Maths

04/30/21

Probability question

A code consists of six digits chosen at random from 0 to 9.the code can begin with a zero and digits can be repeatedhow many codes will end with 0 ?how many will contain the digits 2018 together... more
Probability Math Statistics

04/30/21

It is believed that 5% male teens suffer from depression....

It is believed that 5% male teens suffer from depression. A group of Psychology students wants to test that the proportion they believe is correct. They used a sample of 1,099, and found out that... more
Probability Math Statistics

04/30/21

A group of researchers wanted to estimate the mean height of High School Students in college....

A group of researchers wanted to estimate the mean height of High School Students in college. It is believed that the population standard deviation is 46.5 cm. How big is the sample size be so that... more
Probability

04/30/21

how many times should I flip a biased coin

If I have a Biased coin, where the probability of Heads (P(h)) is 37% and probability of Tails (P(t)) is 63%,Head I win $2, Tails I lose $1 And I start with a starting balance of $10, How many... more
Probability

04/29/21

Probabilty related question

1. The marriage register data shows that 5 % of male and 0.25 % of female are divorcee. Now let us consider that a divorcee person is chosen at random, what is the probability that the chosen... more
Probability Math Statistics Maths

04/29/21

Statistics Question

Suppose that mutations in a virus occur in the time interval [0, t] according to the following assumptions:i) Divide the interval [0, t] into n equal intervals, each of width t/nii) Let n be very... more

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