5,341 Answered Questions for the topic probability

Probability Geometry

05/10/20

In its monthly report, the local animal shelter states that it currently has 24 dogs and 18 cats available for adoption. Eight of the dogs and six of the cats are male.

What is the probability that two pets randomly picked will both be male?What's the probability that they are both cats?What's the probability that you pick a cat then a dog?I really don't... more
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Probability

05/10/20

need help with determining cumulative distribution functions
The problem is:The amount of data, X, arriving at a communication channel, consisting of one main channel and two overload channels, is modelled by a continuous random variable which is uniformly... more
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Probability Statistics Stats

05/10/20

suppose 20 individuals are randomly selected from a large population of voters of which 40% are democrats. what are the probabilities that:
a) exactly 10 of the selected voters are democrats?b) at least 10 are democrats?c) at most 10 are democrats?d) between 8 and 12, inclusive are democrats?e) how many of the voters selected could we... more
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Probability

05/10/20

PLEASE HELP ME SOLVE THIS
The cost of a ticket to the circus is $15.00 for children and $38.00 for adults. On a certain day, attendance at the circus was 1,100 and the total gate revenue was $34,900. How many children and... more
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Probability Statistics

05/10/20

Statistics and probability

An archer shoots arrows at a circular target where the central portion of the target inside is called the bull. The archer hits the bull with probability 1/32. Assume that the archer shoots 96... more
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Probability

05/10/20

Find the probability
A package of 6 fuses are tested where the probability an individual fuse is defective is 0.05. (That is, 5% of all fuses manufactured are defective).(a) What is the probability one fuse will be... more
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Probability

05/10/20

Finding probability
Suppose that 3% of computer chips produced by a certain machine are defective. The chips are put into packages of 20 chips for distribution to retailers. What is the probability that a randomly... more
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Probability

05/10/20

Finding probability

Suppose an airline accepted 12 reservations for a commuter plane with 10 seats. They know that 7 reservations went to regular commuters who will show up for sure. The other 5 passengers will show... more
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Probability

05/10/20

Finding probability

A company prices its hurricane insurance using the following assumptions:(i) In any calendar year, there can be at most one hurricane.(ii)In any calendar year, the probability of a hurricane is... more
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Probability

05/10/20

Finding the Probability

A hospital receives 20% of its COVID-19 vaccine shipments from Canada and the remainder of its shipments from neighbouring countries. Each shipment contains a very large number of vaccine vials.... more
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05/08/20

Math Question- Spinner
If you spin the following spinners, how many outcomes are possible? (Below I made the 2 spinners, which are two different spinners. The letters have 5 sections, and the number spinner has 6... more
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05/08/20

Math Question- Probability

Gary randomly chose an item from the following lot: ( “I” stands for ice cream cone , “S” stands for soccer ball, “B” stands for book, and “C” stands for coin.) I I S B B S B C B B I C C I Use this... more
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Probability Math Statistics

05/08/20

This one is a challenge: What is the probability of drawing a “double” from a set of dominoes?
In a set of dominos, each tile has two sides with a number of dots on each side: zero, one, two, three, four, five or six. There are 28 total tiles, with each number of dots appearing alongside... more
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Probability

05/08/20

Probability question
Elizabeth brought a box of donuts to share. There are two dozen donuts all identical size shape and color. 5 are jelly filled, 9 are lemon filled and 10 are custard filled. You randomly select one... more
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Probability

05/07/20

A blindfolded marksman finds that on average he hits the target 70% of the time. If he fires 6 shots, determine the probability of the following 3 situations(round answers to the nearest thousandths):
more than two hitstwo hits or lessexactly two hits
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Probability

05/07/20

Probability, combinations, and permutations
The question is based off the powerball lottery where you must get 5 numbers correctly followed by a powerball number in order to win the grand prize. The 5 numbers are done without replacement and... more
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05/07/20

Math Question Probability

A bag contains 8 red, 6 white, and 10 blue marbles. One of these marbles is to be selected at random from the bag. Complete the table below to show each theoretical probability of picking a... more
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Probability Math Statistics

05/07/20

Mean, variance, and median on World Series
Teams A and B play in a best of 7 series. Team B has a 45% chance of winning each game. Find the mean, variance, and median.
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Probability Statistics

05/07/20

statistic and probability
Gwen, a friend of Mary from the previous question, is also practicing free throws. However, she is trying to score 3 points in a single set. She will keep shooting sets until she has three... more
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Probability Math Maths Mathematics

05/07/20

Please HELP! What distance does the boat need to travel on the surface of the ocean to be located directly above the fish? S
A fishing boat determines a pod of fish located in the ocean at an angle of depression of 25° from the current boat location. The fishing boat determines the distance through the ocean to the fish... more
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Probability Math Mathematics

05/06/20

What distance does the boat need to travel on the surface of the ocean to be located directly above the fish?

Help Me Solve this Question! It makes no sense!A fishing boat determines a pod of fish located in the ocean at an angle of depression of 25° from the current boat location. The fishing boat... more
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Probability Math

05/06/20

Let Events A and B be described as follows: P(A) = buying popcorn P(B) = watching a movie

The probability that you watch a movie this weekend is 48% The probability of watching a movie this weekend and buying popcorn is 38%. If the probability of buying popcorn is 42%, are watching a... more
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Probability

05/06/20

You roll a 1-6 numbered cube twice. What is the probability you will roll two numbers that are less than 4?
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Probability Math Statistics

05/06/20

Probability Problems
The probability that Jim goes to work by taxi is 0.3. He works 6 days in a week. Find the probability that Jim goes to work by taxi in at least 3 days in a week given that (i) he goes to work by... more
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Probability Math Statistics

05/06/20

Pls Help !!The chance that a seed will germinate is 7/9. There are 9 seeds sown.
Given that at least 6 seeds will germinate, what is the probability that (i) fewer than 8 seeds will germinate? (ii) more than 7 seeds will germinate?
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