5,341 Answered Questions for the topic probability

Probability Math

06/11/22

Probability regarding a deck of 52 cards
Five cards are dealt from a regular deck of 52 cards. (Recall that a regular deck of 52 cards consists of 13 kinds/denominations, each having 4 suits)Part a) What is the probability that you get... more
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Probability

06/10/22

Could someone help me with this question?
The number of hours per week adults in the U.S. spend on home computers is normally distributed, with a mean of 6 hours and a standard deviation of 2 hour. An adult in the U.S. selected. Find the... more
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Probability

06/09/22

What is the probability that Billy scored the other one?
Billy and Lizzy have probabilities 0.3 and 0.2 respectively to score a goal in a given soccermatch. Two goals are scored, one of which was from Lizzy.I was a bit confused cause from what I know,... more
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Probability Statistics

06/09/22

Fair die probability
A fair, six-sided die is rolled 15 times. Each roll is independent. What is the probability of rolling a “three” more than 6 times?
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Probability

06/08/22

How many blue marbles in the bag
A bag of marbles contains 5 more red marbles than blue. The probability of drawing a blue marble is 1/3.
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Probability

06/08/22

Solve the Following Venn Diagram
The following information was gathered: 320 did not want to buy real estate, 500 would not invest through bank interest, 385 would not invest in shares, 240 invest in shares and real estate, 205... more
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06/06/22

Which of the following situation is not a bivariate data?

Which of the following is not a bivariate data?A. Study a group of college students to find out their height and their weightB. Study a group of diabetic patients to find their weightsC. Study a... more
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Probability Statistics

06/06/22

Distribution probability
In a large city 1 person in 8 is left handed. Find the probability that in a random sample of 30 peoplea) exactly 6 will be left handed: Answerb) more than 6 will be left handed: AnswerEnter... more
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06/06/22

Which of the following is not a bivariate data??
Which of the following is not a bivariate data?A. Study a group of college students to find out their height and their weightB. Study a group of diabetic patients to find their weightsC. Study a... more
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06/04/22

Which of the following is not a bivariate data?
Which of the following is not a bivariate data?A. Study a group of college students to find out their height and their weightB. Study a group of diabetic patients to find their weightsC. Study a... more
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Probability

06/04/22

Probability: Drawing Marbles
There are 2 blue marbles, 3 green marbles, and 5 purple marbles in a bag randomly mixed. If you draw three marbles one at a time without replacement, what is the probability of drawing one blue,... more
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Probability Math

06/04/22

Determine the probability
A box contains 4 black shirts, 8 blue shirts, 4 black pants, and 10 blue pants. Determine the probability of randomly selecting a blue piece of clothing or a pair of pants. Use P(A or B)= P(A) +... more
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06/04/22

Answer the following :
A Senior High School in the Division of Negros Oriental reported that out of 5000 Academic Track students, 1800 are in General Academic Strand (GAS), 2050 are in HUMSS, while all the rest belong to... more
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06/04/22

Which of the following is not a bivariate data?
9. Which of the following is not a bivariate data?A. Study a group of college students to find out their height and their weightB. Study a group of diabetic patients to find their weightsC. Study a... more
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Probability

06/02/22

A die has six faces numberd 1-6. On a single roll of the die ,what is the probability of getting one of the numbers 1,2,3,4,5or6

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Probability Math Algebra

05/31/22

Central Tendency and Mean Deviation
How old are Olympic gymnasts? You are going to look for patterns in data and make conclusions based upon that data. The ages of the 2012 US Olympic gymnastics teams are shown below: Men: 20, 27,... more
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Probability

05/31/22

Dice Roll Probability
In a boardgame what weapon will hit more, a sword that rolls 6 D6 (6 sided dice) and hits on 4, 5 or 6, or a sword that rolls 4 D6 and hits on 3, 4, 5 or 6? How many hits per turn is each sword... more
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05/30/22

(a) state the null and alternative hypothesis, (b) select and compute the test statistic, (c) determine the critical value and the rejection region, and (d) draw a conclusion. are my answers correct?
Direction: In the following problem, (a) state the null and alternative hypothesis, (b) select and compute the test statistic, (c) determine the critical value and the rejection region, and (d)... more
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Probability

05/29/22

Suppose that resting pulse rates among healthy adults are normally distributed with a mean of 78 beats per minute and a standard deviation of 10 beats per minute.
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Probability

05/28/22

Birthday Problem
How many people should gather in a room, so that atleast one person has birthday everyday also in leap year
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Probability

05/26/22

Find Pr(A∩B′) when Pr(A∪B)=0.8, Pr(A)=0.5 and Pr(B)=0.4
Find Pr(A∩B′) when Pr(A∪B)=0.8, Pr(A)=0.5 and Pr(B)=0.4 Find Pr(A′ ∩ B) when Pr(A ∪ B) = 0.76, Pr(A) = 0.31 and Pr(B) = 0.59
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Probability

05/25/22

Geometry probability

A two sided coin is flipped at the same time that a number cube with faces labeled 1-6 is rolled. How many outcomes are possible?
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Probability Algebra 2

05/25/22

Weights of 2-year-old girls are normally distributed with a mean of 25.3 lbs. and a standard deviation of 1.12 lbs. According to this information, what weight would be the 33rd percentile?

Weights of 2-year-old girls are normally distributed with a mean of 25.3 lbs. and a standard deviation of 1.12 lbs. According to this information, what weight would be the 33rd percentile?
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Probability

05/24/22

red or black card game probabilities
I've been working on an assignment, could someone let me know if it's right? These are the probabilities of a game of red or black with cards, with 8 rounds. (I'm a bit unsure about the last... more
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05/23/22

Mr. Santos, a garment store owner, claimed that the brand of sweatpants his customers prefer is Brand A compared to Brand B. He conducted a survey of 100 customers.
Direction: In the following problem, (a) state the null and alternative hypothesis, (b) select and compute the test statistic, (c) determine the critical value and the rejection region, and (d)... more
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