5,395 Answered Questions for the topic probability

Probability

02/05/21

based on a data from college scored on a certain test are normally distributed with a mean of 1538 and a standard deviation of 330
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Probability Math

02/04/21

Probability math homework
A personal computer manufacturer buys 36% of its chips from Japan and the rest from the United States. Of the Japanese chips, 1.6% are defective, and 1.2% of the American chips are defective.Find... more
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Probability Math

02/04/21

Probability with computer manufacturer
A personal computer manufacturer buys 38% of its chips from Japan and the rest from the United States. Of the Japanese chips, 1.8% are defective, and 1.1% of the American chips are defective.Find... more
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Probability Math

02/04/21

A pair of dice is rolled. Find the probabilities of the given events
A pair of dice is rolled. Find the probabilities of the given events. (Enter exact numbers as integers, fractions, or decimals.)(a) The sum is 12.(b) The sum is 12, given that the sum is even.(c)... more
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Probability Math

02/04/21

Math and probability

The University of Metropolis requires its students to pass an examination in college-level mathematics before they can graduate. The students are given three chances to pass the exam; 61% pass it... more
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Probability Math

02/04/21

A pair of dice is rolled. Find the probabilities of the given events.
A pair of dice is rolled. Find the probabilities of the given events.(a) The sum is 4. I know this is 1/12(b) The sum is 4, given that the sum is less than 6.(c) The sum is less than 6, given that... more
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Probability Math

02/04/21

A single die is rolled- Probability

A single die is rolled. Find the probabilities of the given events.(a) Rolling a 4, given that the number rolled is even(b) Rolling a 4, given that the number rolled is odd.I know A is 1/3,but I... more
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Probability

02/03/21

Probability Review
Consider a bag of 7 blocks. Each block has a different color. The colors are Red, Orange, Yellow, Green, Blue, Indigo, and Violet. You reach into the bag of 7 blocks and pull out 2 blocks. What... more
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Probability

02/03/21

What is the probability that a student will not choose a sandwich for lunch? Represent your answer as a percent rounded to the nearest tenth.

mac n chesee-5sandwich-8soup-6hamburger-2chicken nuggets 1
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Probability

02/03/21

What is the probability a student will choose soup or sandwich for lunch? Represent your answer as a decimal to the nearest hundredth.

mac n chesee-5sandwich-8soup-6hamburger-2chicken nuggets 1
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Probability

02/03/21

What is the probability a student will choose Hamburger for lunch? Represent you answer as a fraction.
mac n chesee-5sandwich-8soup-6hamburger-2chicken nuggets 1
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Probability

02/02/21

A bag contains 5 green marbles, 3 blue marbles, 2 red marbles, 4 purple marbles, and 1 black marble. What is the probability that you draw a black OR purple marble?

represent your answer as a percent rounded to the nearest tenth if necessary. 
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Probability

02/02/21

A bag contains 5 green marbles, 3 blue marbles, 2 red marbles, 4 purple marbles, and 1 black marble. What is the probability that you draw a marble that is not green?

represent your answer as a percent rounded to the nearest tenth if necessary. 
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Probability

02/02/21

A bag contains 5 green marbles, 3 blue marbles, 2 red marbles, 4 purple marbles, and 1 black marble. What is the probability that you will draw a black marble?
round your answer to the nearest tenth. 
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Probability

02/02/21

A bag contains 5 green marbles, 3 blue marbles, 2 red marbles, 4 purple marbles, and 1 black marble. What is the probability that you will draw a blue marble?

round your answer to the nearest tenth
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Probability

02/02/21

What is the probability that you will draw a number card from a standard deck of cards (52)?

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Probability Biology Genetics

02/02/21

Make a punnett square and calculate phenotype %s?
Gene C and Gene F are epistatic for a certain fish’s scale color. Gene C codes for the color (Cr = red, Cb= blue). A heterozygous offspring will produce a fish with purple scales. Gene F’s dominant... more
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Probability Statistics

02/01/21

For a particular D-cell alkaline battery, the mean life is 19 hours. The useful life of the battery follows a normal distribution with a standard deviation of 1.2 hours.
As part of its quality assurance program, the Exide Battery Company conductstests on battery life. For a particular D-cell alkaline battery, the mean life is 19 hours.The useful life of the battery... more
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Probability Math

02/01/21

Probability with burritos
(a) You order eighteen burritos to go from a Mexican restaurant, eight with hot peppers and ten without. However, the restaurant forgot to label them. If you pick three burritos at random, find the... more
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Probability Math

02/01/21

Probability Question
Three hundred people apply for three jobs. Sixty of the applicants are women.(a) If three people are selected at random, what is the probability that all are women? (Round your answer to six... more
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Probability Math

02/01/21

Find the odds that a queen is not pulled from a full deck of cards
Use the statement,if p(E) = a/b, then o(E) = a:(b − a) and o(E') = (b − a):a,to find the odds that a card dealt from a full deck (no jokers) is as stated.not a queen
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Probability

01/30/21

Raffle probability

Nend to settle an argument.If you entered a raffle for £10 and there are 300 entries of if you bought 10 tickets for £1 with 3000 entries I believe the probability of winning or losing is exactly... more
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Probability Math Statistics Finance

01/29/21

Probability and statistics: Finances

I need help with this question for my probability and statistics class. I have no idea how to solve this. Question:How much must be invested in an account paying 5% APR (annual percentage rate)... more
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Probability Math Statistics Finance

01/29/21

Probability and statistics: Finances
This question is for my probability and statistics class. I have no idea how to solve this, I really need help. Question:How long will you have to wait to buy a $215,000 house if you invest $25,000... more
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01/29/21

Exponential growth and decay (probability and statistics)
I really need help solving this problem for my probability and statistics class. I need to show the algebra I used to achieve my results. The mass of a radioactive substance remaining after t years... more
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