40 Answered Questions for the topic Data Management

Data Management Math Permutations

20d

evaluate this expression 3! – 2 x 4! + P(7,0) – P(3,3) + 0!
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Data Management Math Statistics Probability

10/28/20

Probabilty Question: Color of the Marble

Mr.W puts two blue marbles and one green marble into his pocket. Then he randomly takes out one. After recording the color of the marble, he puts the marble back. He repeats this 6 times. a.What is... more
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Data Management Math Statistics Probability

08/26/20

grade 12 data management
A PIN number for a bank card consists of 4-6 digits, with no restrictions. How many such PIN numbers are possible? (Repetition is allowed and 0 is allowed in first position)~Avery and Bradley work... more
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Data Management Probability

08/25/20

Probabilty Data Managment questions

1. A family of 7 are to take a photograph.a) How many arrangements are possible if the triplets (Jack, Bob, Don) are side by sideb) How many arrangements are possible if the Parents (Aex and Molly)... more
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Data Management Math Statistics Permutations

08/25/20

Permutation Question
How many permutations are there of the letters in the word BASKETBALL, if the two Ls must be together?
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Data Management Math Statistics Probability

08/25/20

Data Questions(Listed in Description)
1.A team of 7 students is to be selected from a class of 30.a. Aaron, Brad and Charles are students in this class. What is the probability that team includes these 3 students?b. How many team would... more
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Data Management Math Statistics Probability

08/20/20

Data Management Probability Questions
1. The following letters are rearranged BROWN. What is the probability that the BRO are together and in this order2.Aliens landed on Costco to buy some groceries and donate blood. The American... more
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Data Management Math Statistics Probability

07/27/20

Data Management Normal Distribution Probability

The heights of 16-month-old oak seedlings are normally distributed with a mean of 31.5 cm and a standard deviation of 10 cm. What is the range of heights between which 5 % of the seedlings will... more
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Data Management Math Statistics Probability

07/27/20

Data Management Probability, Standard Deviation, and Normal Distribution Question:

Hi, how would i get started on solving this question? The average monthly rainfall in Southern California is 26 mm. If rainfall data over the year is normally distributed with a standard deviation... more
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Data Management Math Probability Permutations

11/21/19

Permutation Probability Question
a) From a deck of 52 cards, what is the probability of getting 3 aces followed by 2 jacksb) what is the probability of getting 3 aces AND 2 jacks
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Data Management

10/06/18

Out of a sample of 500 newborns, it is found that 475 weigh between 2500g and 4000g. The weights are normally distrusted. Find mean and standard deviation.
Can someone please help me answer this question thank you! 
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Data Management Math

10/02/18

What is the probability that two or more people in a party of 20 people will have the same birthday
This is a question from grade 12 data management homework. We are learning about using permutations 
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07/17/18

Binomial as Normal
Chelsea play 38 league games in a season. Their probability of losing each game is 0.25. If they lose fewer than 8 games, they will win the league. What is the probability they win the... more
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Data Management Permutation And Combination

07/15/18

Permutations or Combinations?
1. A Poker hand consists of 5 cards dealt at random from a deck of 52 cards. There are 2 598 960 possible hands (52C5). How many of those hands include exactly two Queens? Hint: You need two of the... more
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07/09/18

probability question help please
A school’s athletics department can send 3 track athletes and 2 field athletes to an upcoming meet. The school has 14 track athletes and 10 field athletes who qualify. Usecombinations to determine... more
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Data Management Algebra 2 Algebra Algebra Help

03/12/18

What is the 40th percentile? PLZ help!
 1 1 1 1 1 1 2 3 5 8 13 21 34 55 89 89 89 89 89 89  What is the 40th percentile?     I got 4 but it was incorrect please help im stuck. I really appreciate it!!!
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Data Management

03/08/18

Fourteen family members have a one on one video chat with eachother to wish eachother a happy new year. How many video chats occurred?
Fourteen family members have a one on one video chat with eachother to wish eachother a happy new year how many Video chats occurred 
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Data Management

02/12/18

WHat are the variables of this longitudinal study:
grade 9 students are surveyed about the number of hours they study. Those grade 9s are surveyed again when they're in grade 11. Would the variable be grade level and number of hours studied?
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Data Management

01/26/18

this is a second part to my last question
what is the probability of drawing a red block, given that the first block was yellow?
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Data Management Probability

01/26/18

A bag contains 3 red lego blocks, 5 blue, and 4 yellow. 2 are drawn without replacement. what is the probability of drawing 2 red blocks?
A bag contains 3 red lego blocks, 5 blue, and 4 yellow. 2 are drawn without replacement. what is the probability of drawing 2 red blocks?
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04/10/17

Gil, Nick and Sara are at target practice. Gil hits the target with 0.5 probability, Nick with 0.3 and Sara with 0.6, If they each take a shot, in that order
Gil, Nick and Sara are at target practice. Gil hits the target with 0.5 probability, Nick with 0.3 and Sara with 0.6, If they each take a shot, in that order: What is the probability that they all... more
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Data Management

02/22/17

How many 4 letter words can be formed from the word telephone
I need help answering this question
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Data Management Math Help Mathematics Thank You

01/20/17

Combinations and permutations please help
Omg pls I'm so stressed right now and I'm hoping this site will help with my math about permutations and combinations, so basically for my assignment I was given a story about Tom and jerry and... more
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Data Management

10/24/16

In how many ways we can arrange the word TEACHER such that no two vowels should be together.
I calculate the answer 720 But the correct answer is 576 Why?
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Data Management

09/08/16

How many different sandwiches are possible and how many different sandwiches are possible if there is an option for no meat
A sandwich is made of -white or brown bread -ham, chicken or beef - mustord or mayo.
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