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Probability

05/06/21

Permutations and Combinations

From a group of 3 accountants, 4 doctors and 5 lawyers a sub-committee of four people is selected at random. Find the probability that the sub-committee will consist of 2 accountants and 2 lawyers.?

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Probability Math Statistics

05/06/21

The Dean of Mechanical Engineering....

The Dean of Mechanical Engineering is currently concerned with the amount of noise in the campus building, and plans on moving to the lower grounds. He claims that if all the classes will transfer,... more

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Probability Math Statistics

05/06/21

A survey of 162 students...

A survey of 162 students nationwide showed a mean ACT score of 77.6. A survey of 138 Ohio scores showed a mean of 83.9. If the population standard deviation in each case is 16.62, and at alpha... more

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Probability Trigonometry

05/05/21

(NEEDED ASAP) When rolling a die, find the probability of each.

P(1 and 4) P(1 or 4) for #2, i think the answer is 1/3 but I just want to make sure if i’m right or not.

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Probability Mathematics

05/05/21

Probability for 6 and 11 sets

2 sets formulasP(A∪B)=P(A)+P(B)−P(A∩B)3 sets formula P(A ∪ B ∪ C) = P(A) + P(B) + P(C) − P(A ∩ B) − P(A ∩ C) − P(B ∩ C) + P(A ∩ B ∩ C).4 sets formulaP (A U B U C U D) = P(A) + P(B) + P(C) +P(D) -... more

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Probability

05/05/21

Conditional probability

Let events A and B be two events such that 𝑃(𝐴 ∩ 𝐵) = 𝑃(𝐴)𝑃(𝐵) 𝑤𝑖𝑡ℎ 𝑃(𝐵) ≠ 0. What is the relation between events A and B? Show that it is also the case that 𝑃( 𝐴/𝐵) = 𝑃(𝐴).

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Probability Math

05/05/21

Sixteen students study Algebra, 21 study Biology, and there are 30 students in all. What is the probability that a student chosen at random studies Algebra or Biology?

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Probability Math

05/05/21

Sixteen students study Algebra, 21 study Biology, and there are 30 students in all. What is the probability that a student chosen at random studies Algebra or Biology?

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Probability Math

05/05/21

What is the probability of drawing an ace or a king from a standard deck of cards?

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Probability Math

05/05/21

What is the probability of drawing an ace or a king from a standard deck of cards?

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Probability Math

05/05/21

If a card is drawn from an ordinary deck of 52 cards, find the probability that the card is

a. a red card?_______b. a diamond card or a face card?_______c. a diamond card and a black card?_______

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Probability Math Geometry Conditional Probability

05/05/21

Conditional Probability Questions

Walt is selling candy outside the supermarket to raise money for new uniforms for the gymnastics team. The probability of a customer stopping to talk to Walt and buying some candy is 2/9 The... more

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Probability

05/04/21

Pemutations and combinations

In case, find n:a) nP4 = 30 nC4.b) nCn−2 = 10.

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Probability Geometry Conditional Probability

05/04/21

Suppose you have 3 nickels, 1 quarter, and 1 penny in your pocket. You choose a coin, do not replace it, and then choose a second coin.

Suppose you have 3 nickels, 1 quarter, and 1 penny in your pocket. You choose a coin, do not replace it, and then choose a second coin.1.What is the probability of randomly picking a penny first,... more

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Probability

05/04/21

business statistics

Suppose that a Covid-19 testing centre receives two phones calls, on average, per minute concerning test results. Required: a) What are the conditions for this experiment to be considered a Poisson... more

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Probability

05/04/21

Please help with this!!

Given that you pull a pair of Jack’s from a deck of cards without replacement, what is the probability that exactly 1 of them is are red?

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Probability

05/04/21

conditional Probability

The probability that event A occurs is 𝑃(𝐴) = 0.4. B is an event independent of A and the probability of the union of A and B is 𝑃(𝐴 ∪ 𝐵) = 0.7. Find 𝑃(𝐴 ∩ 𝐵).?

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Probability

05/04/21

question below!! help

What is the probability that you pull a red 6 or a heart from a standard deck of cards?

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Probability

05/04/21

question below !

What is the probability you pull a King from a standard deck of cards given that 8 cards have already been pulled and 3 of them are Kings (without replacement)

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Probability

05/04/21

Juan draws a red card from an ordinary deck as the first card for a game of Gin Rummy. What is the probability that the card was a king? Write your answer in exact simplified form.

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Probability

05/04/21

Question asked below

Given that you pull a pair of Ace’s from a deck of cards without replacement, what is the probability that exactly 1 of them is a club?

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Probability Statistics

05/04/21

Determine the mean and standard deviation of the population.

The mean of the sampling distribution of the sample mean is 100. If the population is normally distributed with a variance of 215, determine the mean and standard deviation of the population.

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Probability Math Mathematics

05/04/21

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

truth positive negative total--------------------------------------------------------------------------------renal disease 44 ... more

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Probability Math Mathematics

05/04/21

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

Imagine a diagram. In the left circle, it's labeled 0.22 for sophomores. In the right circle its labeled 0.10 for off-campus. In the middle circle it's labeled 0.06i asked this question before and... more

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Probability

05/04/21

Question asked below

What is the probability you pull an Ace from a standard deck of cards given that 12 cards have already been pulled and 3 of them are aces?

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Permutations and Combinations

The Dean of Mechanical Engineering....

A survey of 162 students...

(NEEDED ASAP) When rolling a die, find the probability of each.

Probability for 6 and 11 sets

Conditional probability

Sixteen students study Algebra, 21 study Biology, and there are 30 students in all. What is the probability that a student chosen at random studies Algebra or Biology?

Sixteen students study Algebra, 21 study Biology, and there are 30 students in all. What is the probability that a student chosen at random studies Algebra or Biology?

What is the probability of drawing an ace or a king from a standard deck of cards?

What is the probability of drawing an ace or a king from a standard deck of cards?

If a card is drawn from an ordinary deck of 52 cards, find the probability that the card is

Conditional Probability Questions

Pemutations and combinations

Suppose you have 3 nickels, 1 quarter, and 1 penny in your pocket. You choose a coin, do not replace it, and then choose a second coin.

business statistics

Please help with this!!

conditional Probability

question below!! help

question below !

Juan draws a red card from an ordinary deck as the first card for a game of Gin Rummy. What is the probability that the card was a king? Write your answer in exact simplified form.

Question asked below

Determine the mean and standard deviation of the population.

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

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

Question asked below

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