AnswersEAP-Algebra Functions and Data Analysis B CRStandard Deviation

Standard Deviation Answers

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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.

A
Option
Option A
B
Option
Option B
C
Option
Option C
2
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The mean is .

A
greater than the median
B
less than the median
C
equal to the median
3

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?

A
0.010
B
0.080
C
0.905
4

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

A
0.005
B
0.010
C
0.995
5

What type of data distribution is shown on the graph?

Question illustration
A
negatively skewed
B
symmetric
C
positively skewed
6

The mode is

A
greater than the median
B
less than the median
C
equal to the median

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Standard Deviation