5,341 Answered Questions for the topic probability

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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Probability

01/09/21

Drawing cards from deck
From a pack of well shuffled cards, one card is drawn and kept aside. Then second card is drawn and then kept aside. After that first card (which was drawn first time) is kept back in the pack of... more
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Probability Math Algebra 2

01/07/21

Probability Word Problem
Leo has 8 buttons, 5 of which are red. If Leo randomly picks 4 buttons, what is the probability that all of them are red?
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Probability Math Statistics Sat Math

01/05/21

Probability-Combination math help requested.
A jar contains only red, yellow and orange marbles. If there are 3 red, 5 yellow and 4 orange marbles, and 3 marbles are chosen from the jar at random without replacing any of them, what is the... more
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Probability Math Probab

01/04/21

how can I simulate poisson random process ?
I simulate a single realization of the Poisson counting process as described above. Such that the discrete-amplitude random process counts the number of packets arriving in the time... more
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Probability

01/04/21

How Can i simulate realizations ?
if i have Two Discrete Random variables X and Y have the joint PMF:Pxy=c(x^2+y^2)where x belong to {1,2,4} and y belong to {1,3)how can I simulated variables by computing the relative frequencies... more
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Probability Algebra 2

01/03/21

Probability question w/ letters
Q: Find the number of possible call letters of a radio station (6 letters long) if the first letter must be a W or K and no letter is repeated.
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Probability Algebra 2

01/03/21

Probability question

Q: How many different license plates can be formed if each plate has 5 different digits followed by 1 letter?
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Probability

01/01/21

probability and simulate
Suppose that 70% of all people in Ontario wear seatbelts.(a) Explain how the spinner shown could be usedto simulate how many people in a randomsample wear seat belts.(b) If you would like to know... more
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