5,395 Answered Questions for the topic probability

Probability Math Python

06/23/22

Python Question regarding normal distribution probability
Suppose the annual rainfall, in inches, in some region is normally distributed with μ=10 and σ=5. What is the probability that it takes (strictly) more than 10 years before a year with 20 inches of... more
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Probability Math

06/23/22

Uniform Distribution Probability Question
Suppose trains heading for destination A arrive at the station every 15 minutes, starting at 7 A.M., while trains heading for destination B arrive at the station every 15 minutes, starting at 7:05... more
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Probability

06/22/22

Statistics and Probability
Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 250 feet and a standard deviation of 42 feet. Let X = distance in feet for a fly... more
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Probability

06/22/22

Dice probability
In a game of chutes and latters, suppose you need a 4 to win the game. You are rolling a 6-faced fair die. What is the probability that you will win the gam on the third try?
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Probability

06/16/22

Probablity of doughnuts
A tray has 16 doughnuts, 9 of which contain raspberry jam and 7 of which contain ... jam and then Alexander randomly selects a doughnut with lemon curd?
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Probability Math

06/16/22

Probability Question
Spongebob is going Jellyfishing (that is, he seeks to capture jellyfish in a net, and then release them, of course).He plans to try his luck in two separate fields. Note that he is going to go... more
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Probability Math

06/16/22

Probability Question: Coin Toss
Suppose you have two coins in a sack, where one is fair and the other is weighted to come up heads only 1/31/3 of the time. Draw one at random, and flip until you get a head. Let X be the number of... more
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Probability

06/15/22

If there was a random group of 4 people, what is the probability that 2 people are born in the same month?
same as title. and then also probabilities for groups of 5,6,7,8,9 and 10 that would have 2 people born in the same month
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Probability Statistics

06/13/22

Estimating odds
Let's say a basketball player has a 55% chance to score more than 20 points in a game. Without any additional information, is there a way to best estimate the odds of that player scoring more than... more
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Probability Math Algebra 1 Statistics

06/12/22

Blackjack probability
Hello,In a heads up blackjack match, what are the odds the dealer will get a 19 with a total of 7 cards?This is based on an 8 deck game.I recently had a dealer get the following:1) 3 of Diamonds2)... more
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Probability Math

06/11/22

Probability Question
Twenty elk live in a forest, and 7 were tagged and released. Some time later, 5 elk were randomly caught. Assume all 20 elk were equally likely to be caught. What is the probability that exactly 2... more
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Probability Math

06/11/22

Probability Question regarding a coin toss
What is the probability that in 7 coin tosses we get exactly 5 heads and 2 tails? Do NOT round.
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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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