Question content area top Part 1 In a recent study on world happiness, participants were asked to evaluate their current lives on a scale from 0 to 10, where 0 represents the worst possible life and 10 represents the best possible life. The responses were normally distributed, with a mean of 4.44.4 and a standard deviation of 2.12.1. Answer parts (a)dash–(d) below. Question content area bottom Part 1 (a) Find the probability that a randomly selected study participant's response was less than 44. The probability that a randomly selected study participant's response was less than 4 is enter your response here. (Round to four decimal places as needed.) Part 2 (b) Find the probability that a randomly selected study participant's response was between 44 and 66. The probability that a randomly selected study participant's response was between 44 and 66 is enter your response here. (Round to four decimal places as needed.) Part 3 (c) Find the probability that a randomly selected study participant's response was more than 88. The probability that a randomly selected study participant's response was more than 88 is enter your response here. (Round to four decimal places as needed.) Part 4 (d) Identify any unusual events. Explain your reasoning. Choose the correct answer below. A. The event in part left parenthesis a right parenthesis(a) is unusual because its probability is less than 0.05. B. None of the events are unusual because all the probabilities areNone of the events are unusual because all the probabilities are greatergreater than 0.05. C. The event in part left parenthesis c right parenthesis is unusual because its probability is lessThe event in part (c) is unusual because its probability is less than 0.05. D. The events in parts left parenthesis a right parenthesis and left parenthesis b right parenthesis(a) and (b) are unusual because their probabilities are less than 0.05.

Question content area top Part 1 In a recent study on world happiness, participants were asked to evaluate their current lives on a scale from 0 to 10, where 0 represents the worst possible life and 10 represents the best possible life. The responses were normally distributed, with a mean of 4.44.4 and a standard deviation of 2.12.1. Answer parts (a)dash–(d) below. Question content area bottom Part 1 (a) Find the probability that a randomly selected study participant's response was less than 44. The probability that a randomly selected study participant's response was less than 4 is enter your response here. (Round to four decimal places as needed.) Part 2 (b) Find the probability that a randomly selected study participant's response was between 44 and 66. The probability that a randomly selected study participant's response was between 44 and 66 is enter your response here. (Round to four decimal places as needed.) Part 3 (c) Find the probability that a randomly selected study participant's response was more than 88. The probability that a randomly selected study participant's response was more than 88 is enter your response here. (Round to four decimal places as needed.) Part 4 (d) Identify any unusual events. Explain your reasoning. Choose the correct answer below. A. The event in part left parenthesis a right parenthesis(a) is unusual because its probability is less than 0.05. B. None of the events are unusual because all the probabilities areNone of the events are unusual because all the probabilities are greatergreater than 0.05. C. The event in part left parenthesis c right parenthesis is unusual because its probability is lessThe event in part (c) is unusual because its probability is less than 0.05. D. The events in parts left parenthesis a right parenthesis and left parenthesis b right parenthesis(a) and (b) are unusual because their probabilities are less than 0.05.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question content area top

Part 1

In a recent study on world happiness, participants were asked to evaluate their current lives on a scale from 0 to 10, where 0 represents the worst possible life and 10 represents the best possible life. The responses were normally distributed, with a mean of

4.44.4

and a standard deviation of

2.12.1.

Answer parts

(a)dash–(d)

below.

Question content area bottom

Part 1

(a) Find the probability that a randomly selected study participant's response was less than

44.

The probability that a randomly selected study participant's response was less than 4 is

enter your response here.

(Round to four decimal places as needed.)

Part 2

(b) Find the probability that a randomly selected study participant's response was between

and

66.

The probability that a randomly selected study participant's response was between

and

enter your response here.

(Round to four decimal places as needed.)

Part 3

88.

The probability that a randomly selected study participant's response was more than

enter your response here.

(Round to four decimal places as needed.)

Part 4

(d) Identify any unusual events. Explain your reasoning. Choose the correct answer below.

The event in part

left parenthesis a right parenthesis(a)

is unusual because its probability is less than 0.05.

None of the events are unusual because all the probabilities areNone of the events are unusual because all the probabilities are

greatergreater

than 0.05.

The event in part left parenthesis c right parenthesis is unusual because its probability is lessThe event in part (c) is unusual because its probability is less

than 0.05.

The events in parts

left parenthesis a right parenthesis and left parenthesis b right parenthesis(a) and (b)

are unusual because their probabilities are less than 0.05.

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