5,385 Answered Questions for the topic probability

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
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
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
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
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
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
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.
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
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
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
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?
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.
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

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
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

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

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
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
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

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

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
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
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

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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