5,385 Answered Questions for the topic probability

Probability Precalculus

01/26/21

Find the probability for the experiment of drawing two marbles (without replacement) from a bag containing one green, four yellow, and three red marbles.
Neither marble is yellow.
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Probability Math

01/26/21

probability in math
There are 34 employees in a certain firm. We know that of 24 these employees are​ male, 4 of these males are​ secretaries, and 9 secretaries are employed by the firm. What is the probability that... more
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Probability Precalculus

01/26/21

Probability precalculus word problem
A law office interviews paralegals for 10 openings. There are 15 paralegals with two years of experience and 19 paralegals with one year of experience. How many combinations of six paralegals with... more
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Probability Precalculus

01/26/21

Five couples have reserved seats in a row for a concert. In how many different ways can they be seated when:
a) there are no seating restrictions?b) each couple sits together?
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Probability Math Statistics

01/25/21

Probability Distribution/ Solving Random Variables
1.    An experiment was conducted where rats have injected virus and check if they will survive or not. Find the probability that at most 2 rats will survive given the probability distribution of... more
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01/24/21

The local diner employs three servers, Ally, Benny, and Charli. On Monday night Ally served 40% of the customers, while Benny served 27%. What percent did Charli serve?
a. The local diner employs three servers, Ally, Benny, and Charli. On Monday night Ally served 40% of the customers, while Benny served 27%. What percent did Charli serve?b. That night 60% of... more
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01/24/21

The local diner employs three servers, Ally, Benny, and Charli. On Monday night Ally served 40% of the customers, while Benny served 27%. What percent did Charli serve?
a. The local diner employs three servers, Ally, Benny, and Charli. On Monday night Ally served 40% of the customers, while Benny served 27%. What percent did Charli serve?b. That night 60% of... more
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01/24/21

The probability of picking the winning 4-digit number in a Pick 4 lottery is 1/10,000. Each play of the lottery is independent of the next play.

(a) If you take a very large random sample of purchased lottery tickets, about 0.01% of the tickets will be winners. (True or False?)(b) If 10,000 people play the Pick 4 lottery, exactly 1 person... more
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Probability Math Statistics Highschool

01/23/21

statistics help!
Your student email account requires you to choose a password of 4 letters followed by one of the digits 0-9. The password can consist of upper case letters (26) or lower case letters (26). How many... more
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Probability Math Business Statistics

01/22/21

STATISTIC AND PROBABILITY
A random sample of 60 students in the business statistics course answered a survey on the average number of hours they spent on statistics each week. Unfortunately, the original data were lost,... more
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01/22/21

Statistic and Probability
Thirteen internists in the Midwest are randomly selected, and each internist is asked to report last year’s income. The incomes obtained are: 216000, 240000, 122000, 135000, 166000, 236000, 227000,... more
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01/22/21

Statistic and Probability
The number of items rejected daily by a manufacturer because of defects for the last 30 days are: 20, 21, 8, 17, 22, 19, 18, 19, 14, 17, 11, 6, 21, 25, 4, 19, 9, 12, 16, 16, 10, 28, 24, 6, 21, 20,... more
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01/21/21

Probability Question

 A) A card is drawn at random from a well shuffled pack of 52 cards. What is the probability that the card is neither a spade nor a Jack?      B) Six friends Aisha, Bilal, Kamran, Danish, Emaan and... more
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Probability

01/20/21

What is the probability that the bag has buttons?
A company makes 150 bags.37 of the bags have buttons but no zips.45 of the bags have zips but no buttons.23 of the bags have neither zips nor buttons.A bag is selected at random.What is the... more
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Probability

01/19/21

probability igcse
two fair dice are rolled the scores on the two dice are added to give the total.Given that the score on at least one of the dice is 2 calculate probability that total is 5
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Probability Math Statistics

01/15/21

Statistics Question
A potential buyer will sample videotapes from a large lot of new video tapes to check for defective tapes. If five percent of the lot is defective and she takes a random sample of 80 tapes, what is... more
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Probability Statistics

01/15/21

Statistics probability question
A study of college students found that the average amount of sleep they got a night follows a normal distribution with a mean of 6.45 hrs and standard deviation of 1.5 hrs.What are the mean and... more
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Probability Math Statistics Algebra

01/15/21

A Dice Probability question!
I am attempting to calculate a dice probabilitythe problem that I cannot seem to figure out how to calculate is as followedI want to see the probability of out of "X" 100 sided dice rolls how many... more
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Probability Statistics

01/14/21

Probability of choosing one chromebook and one other devies
A school has 10 iPads, 20 Chromebooks, and 5 laptop computers in their technology loaner supply closet. For each part below, assume all devices are available (so the supply does not change in part... more
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Probability

01/13/21

If picking 11 tiles at random what is the probability of pulling out the tiles in the order to spell PROBABILITY?
In a bag there is a tile with every letter of the alphabet in it, with two of each vowel(including Y), and 5 B tiles and 4 S tiles. If picking 11 tiles at random what is the probability of pulling... more
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Probability Math Algebra 1 Algebra 2

01/12/21

Statistics and Probabilities Question

Compute 8P3Answer
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Probability Math Algebra 1 Algebra 2

01/12/21

Statistics & Probabilities Question
Write  6P4 as a product of integers
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Probability

01/12/21

How many ways 10 dodgeball players choose captain & co-captain?
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Probability Math

01/12/21

The letters in the word august are placed into a bag, what is the probability of selecting a u
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Probability Math

01/10/21

50 students surveyed about kind of peanut butter they like

25 students prefer chunky (A) 20 students prefer smooth (smooth) B13 prefer bothHow many students prefer neither?
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