5,341 Answered Questions for the topic probability

Probability

05/10/22

What is the answer?
At a local college, 51 of the male students are smokers and 459 are non-smokers. Of the female students, 60are smokers and 540 are non-smokers. A male student and a female student from the college... more
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Probability

05/10/22

What's the probability?
At a local college, 51 of the male students are smokers and 459 are non-smokers. Of the female students, 60are smokers and 540 are non-smokers. A male student and a female student from the college... more
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Probability Statistics

05/10/22

How many ways can this be done?
Three research departments have 10, 6, and 8 members, respectively. Each department is to select a delegate and an alternate to represent the department at a conference. In how many ways can this... more
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Probability Statistics

05/10/22

In how many ways?
A university student is selecting courses for his next semester. He can choose from 3 humanities courses and 10science courses. In how many ways can he choose 7courses if fewer than 2 must be... more
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Probability

05/10/22

34% of people have a virus. 11 are picked at random. Find probability 3 are carriers
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Probability Statistics

05/09/22

The mean clotting time of blood is 7.45 seconds with a standard deviation of 3.6 seconds. What is the probability that an individual’s clotting time will be less than 2 seconds or greater than 11?
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05/08/22

in a class of students, the following data table summarizes how many students playing instrument or a sport. What is the probability that student plays an instrument given that they play a sport?
play an instrument and a sport: 2play an instrument but does not play a sport: 8does not play an instrument but plays a sport: 10does not play an instrument or a sport: 4
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Probability

05/05/22

Probability Questions

This is a question that I am trying to help my niece with:you want a new 2- door or 4- door car in black, blue or red. you may or may not get a CD player. how many different cars are possible
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Probability Word Problem

05/05/22

The question is in the description.
There are cards in a box. Fifteen of these cards are red, the others are blue, and the rests are white cards. If the probability of drawing a blue card is 0.125 and the probability of drawing a... more
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Probability Word Problem

05/05/22

The question is in the description.
There are cards in a box. Fifteen of these cards are red, the others are blue, and the rests are white cards. If the probability of drawing a blue card is 0.125 and the probability of drawing a... more
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Probability

05/04/22

A bag has 9 red marbles, 6 blue marbles, and 5 yellow marbles. What is the probability of NOT choosing a yellow marble from the bag?

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Probability

05/04/22

There are small pieces of paper in a jar with one number written on each piece. The numbers are 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,12 what is the probability of choosing a number greater than 4?
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Probability

05/04/22

A bag has 9 red marbles, 6 blue marbles, and 5 yellow marbles. What is the probability of pulling a blue marble from the bag?

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Probability

05/04/22

The question is in the description.
There are cards in a box. Fifteen of these cards are red, the others are blue, and the rests are white cards. If the probability of drawing a blue card is 0.125 and the probability of drawing a... more
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Expert Answers •1
Probability

05/04/22

There are blue, red, and green marbles in a jar. There are 7 blue marbles in the jar. The probability of getting a blue marble is 1/6 and the probability of green is 5/21.

a. How many marbles are there in the jar?b. How many green marbles are there in the jar? c. How many red marbles are there in the jar?
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Probability

05/04/22

There are red, blue, and black ball pens in a jar. There are 6 red ball pens. The probability of getting a red ball pen is 22.22% while the probability of getting a black ball pen is 40.74%.
a. How many ball pens are there in the jar?b. How many are black pens in the jar?c. How many are blue pens in the jar?
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Probability Math

05/03/22

Probability Math

You roll a 6-sided die. What is P(greater than 4 or factor of 35)?
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Probability Math

05/03/22

Probability Math

You roll a 6-sided die. What is P(greater than 4 or factor of 35)?
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Probability Math Statistics

05/02/22

The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 47 ounces and a standard deviation of 8 ounces.
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 47 ounces and a standard deviation of 8 ounces.Use the Empirical Rule to... more
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Probability Math Statistics

05/02/22

Company XYZ knows that replacement times for the quartz time pieces it produces are normally distributed with a mean of 12.5 years and a standard deviation of 0.6 years.
Company XYZ knows that replacement times for the quartz time pieces it produces are normally distributed with a mean of 12.5 years and a standard deviation of 0.6 years.(a) Find the probability... more
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Probability

04/29/22

Construct a 95% confidence interval for the population mean given the following
Construct a 95% confidence interval for the population mean given the following: sample mean = 16, population standard deviation = 1.5 and sample size = 49.
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Probability

04/29/22

probability of at least one secretary absent, at least one secretary comes to work and only one comes to work
A businessman has two secretaries. The probability that the one hired most recently will be absent on any given day is 0.08 and the probability that the other secretary will be absent on any given... more
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Probability Geometry

04/28/22

there is a six sided dice rolled 40 times what is the expiremental and theoretical probability of rolling a 6, 1 or 6, no more then 4, greater then 2.
number of dice frequency1            22            103             54             45            76            12
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Probability Math Statistics Maths

04/28/22

BBBASICSTAT8 6.2.501.XP
In the binomial probability distribution, let the number of trials be n = 3, and let the probability of success be p = 0.4012. Use a calculator to compute the following.(a) The probability... more
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Probability Math Statistics Maths

04/28/22

BBBASICSTAT8 6.2.018
The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party, and then returned the purchase? This is called a one-time fling.... more
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