3,463 Answered Questions for the topic probability

Probability Math Business Statistics

12h

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

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

16h

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
Probability

2d

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
Probability

4d

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
Probability Math Statistics

7d

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
Probability Statistics

7d

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
Probability Math Statistics Algebra

8d

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
Probability Statistics

8d

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
Probability

10d

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
Probability Math Algebra 1 Algebra 2

10d

Statistics and Probabilities Question

Compute 8P3Answer
Probability Math Algebra 1 Algebra 2

10d

Statistics & Probabilities Question

Write  6P4 as a product of integers
Probability

10d

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

Probability Math

12d

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?
Probability

14d

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
Probability Math Algebra 2

15d

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?
Probability Math Statistics Sat Math

17d

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
Probability Math Probab

18d

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
Probability

18d

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
Probability Algebra 2

20d

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.
Probability Algebra 2

20d

Probability question

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

21d

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
Probability

22d

probability and stimulation

Ten percent of the keyboards a computercompany manufactures are defective.Design and describe a simulation that willdetermine the experimental probability thatone or more of the next three... more
Probability

22d

Probability and stimulation

(a) Shuffle a standard deck of 52cards, draw a single card, andrecord it. Return the card to thedeck, reshuffle, draw another card,and record it. Repeat the processat least 50 times. Use your... more
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