Probability with Combinations and Permutations

Question 1

A coin is tossed three times, with possible outcomes: {HHH, HHT, HTH, THH, HTT, THT, TTH, TTT}Identify the graph of the probability distribution for the random variable representing the number of heads.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-12-04-10-04-task/mc001-2.jpg

Question 2

b =

Revolt · Accepted Answer

0.5

Question 3

The mode is

Revolt · Accepted Answer

greater than the median

Question 4

In a survey, 100 people were asked how many car accidents they had in the past year. The estimated probability distribution for the number of accidents is shown in the table. Using the data from the table, what is the probability of having exactly 1 accident in a year?

Revolt · Accepted Answer

0.080

Question 5

The probability of having less than 3 accidents in a year is .

Revolt · Accepted Answer

0.995

Question 6

What type of data distribution is shown on the graph?

Revolt · Accepted Answer

negatively skewed

Question 7

A coin is tossed two times. The set of outcomes is given as S = {HH, HT, TH, TT}. Let X represent the number of times heads occurs. Complete the table. a =

Revolt · Accepted Answer

0.25

Question 8

A coin is tossed three times, with possible outcomes: {HHH, HHT, HTH, THH, HTT, THT, TTH, TTT}Identify the graph of the probability distribution for the random variable representing the number of heads.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-12-04-10-04-task/mc001-2.jpg

Question 9

The probability of having less than 3 accidents in a year is .

Revolt · Accepted Answer

0.995

Question 10

The graph on the right shows the theoretical probability of getting a given number heads in ten flips of a fair coin. If this experiment was performed many times you would expect an average of heads.

Revolt · Accepted Answer

5

Probability with Combinations and Permutations Answers

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