5,395 Answered Questions for the topic probability

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

Normal distribution
A worn, poorly set-up machine is observed to produce components whose length X follows a normal distribution with a mean equal to 14 centimeters and a variance equal to 9. Determine the probability... 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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05/21/22

 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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05/21/22

Answer the following questions.
A certain "Plantita" wants to test whether some plant species are more salt-tolerant than others. Some key variables she might measure are the following: the amount of salt she must add to the... more
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Probability

05/20/22

you have a bag of 17 marbles four are blue 6 are green 2 are red 5 are yellow what is the probablit of drawing a green marble keeping it then drawing a yellow marble
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Probability Math Statistics Maths

05/20/22

(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.
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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05/20/22

Construct a scatter plot and identify the trend of data as to form, direction and trend.

Application (Performance Task)Construct a scatter plot on the problems below and identify the trend of the data as to form, direction and trend.1. A doctor collected data on how many hours children... more
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Probability

05/19/22

What is the probability of this happening ?
A cooler contains fourteen bottles of sports drink: 4 lemon lime flavored, 5 orange flavored, and 5 fruit punch flavored. You randomly grab a bottle. Then you return the bottle to the cooler, mix... more
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05/19/22

Solve the following.

Compute the value of the test statistic for each test using the given information.1. Testing Ho: p = 0.48 vs Ha: p <0.48 at a = 0.10, n = 540, p = 0.582. Testing Ho: p = 0.94 vs Ha: p > 0.94... more
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Probability

05/19/22

Which of the following statement is FALSE about the sample space of the specified experiment?

A. Rolling a die once: S = {1,2,3,4,5,6}B. Answering a True or False item: S = {True , False}C. Tossing two fair coins once: S = {HH, HT, TH, TT}D. Drawing a Jack from a standard deck of playing... more
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Probability

05/19/22

Which of the following is an event in rolling a die once?

A. E1 = {1, 4, 7}B. E2 = {2, 3, 5}C. E3 = {0, 2, 4, 6}D. E4 = {1, 4, 9, 16}
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Probability

05/19/22

VERY EASY PROBABILITY QUESTION IN THE DESCRIPTION.

In a bag. there are 3 white balls. 2 brown balls and 4 gray balls. How many possible outcomes when one ball is chosen randomly from the bag?A. 3 B.5 C.7 D.9
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Probability

05/19/22

VERY EASY PROBABILITY QUESTION IN THE DESCRIPTION.

In a bag. there are 3 white balls. 2 brown balls and 4 gray balls. How many possible outcomes when one ball is chosen randomly from the bag?A. 3 B.5 C.7 D.9
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Probability Statistics

05/18/22

Indicated probability

A building has 3 parking stalls in front. Find the different number of ways that two different cars can park in the stall.
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