5,341 Answered Questions for the topic probability

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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Probability Distribution

01/29/21

normal distribution with µ= 500 and s= 100 .
Scores on the SAT form a normal distribution withµ= 500 ands=100.a) What is the minimum score necessary to be in the top 20% of the SAT distribution?
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Probability

01/28/21

Determine the probability of drawing a club returning it and then drawing a red card
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Probability

01/28/21

Determine the probability of drawing a club returning it and then drawing a red card
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Probability

01/27/21

What is P(factor of 60)?
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Probability

01/26/21

A sample 300 footballers is to be drawn from a population 3000. Team A has 600 footballers and term B has 300 more than team than team C. How many footballer would be drawn from each team?
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Probability Precalculus Statistics

01/26/21

A random number generator selects three numbers independently, each from 1 through 10. Find the probability of the event.
One number is 2, 4, or 6, and the other two numbers are 3, 5, 7, or 9.
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Probability Precalculus

01/26/21

A shipment of 25 flat screen televisions contains three defective units. In how many ways can a vending company purchase four of these units and receive the following?
a) all good units_____ waysb) two good units_____ waysc) at least two good units_____ ways
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Probability Precalculus Statistics

01/26/21

One card is selected at random from a standard deck of 52 playing cards. Use a formula to find the probability of the union of the two events.
The card is a face card or a black card.
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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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