A cerlain website claims that Indian worker spends an average of 2117 hours per year. Assume the times are normallydistributed, and that the standard deviation is 250 hourS. A person is classified as a heavy worker if he or she is in the upper 1percenl. What is the least number of hours per year that makes a worker a heavy worker?Select one:O.a 2377O b. 1857O c. 2437Od 1797

Answered: Image /qna-images/answer/f4a4cb81-2cb2-4a75-99d1-27b21e53bd62.jpg

Answered: A cerlain website claims that Indian…

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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Use the graph to identify the values of mean and standard deviation
The scoring averages (points per game) of the starting lineup of a basketball team are as follows: 6.2, 11.4, 18.3, 22.9 and 14.8. What is the standard deviation of their averages? a. 7.14 b. 6.39 c. 5.72 d 5.22
The median of the test scores given in the figure below is: Stem Leaves 667 6 2359 7 0011689 8 11568 6. 0225 10 00 56 71 78 90
The following items represent the number of birds observed at a given feeder over the past several days. What is the mean number of birds to visit that feeder? 96, 76, 54, 64, 7, 32, 72
An engineer wishes to determine the width of a particular electronic component. If she knows that the standard deviation is 2.9 mm, how many of these components should she consider to be 80% sure of knowing the mean will be within +0.5 mm? 08 056 O465 029 024
A commuter travels many miles to work each morning. She has timed this trip 5 times during the last month. The time (in minutes) required to make this trip was 34, 39, 41, 35, and 41. The mean time (in minutes) required for this trip was _______. 35 41 38 37.5 35.5
n the 1992 presidential election, Alaska's 40 election districts averaged 2111 votes per district for President Clinton. The standard deviation was 551. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places.a. What is the distribution of X? X ~ N(,)b. Is 2111 a population mean or a sample mean? Select an answer Population Mean Sample Mean c. Find the probability that a randomly selected district had fewer than 2134 votes for President Clinton. d. Find the probability that a randomly selected district had between 2048 and 2241 votes for President Clinton. e. Find the first quartile for votes for President Clinton. Round your answer to the nearest whole number.
A labor rights group wants to determine the mean salary of app-based drivers. If she knows that the standard deviation is $3.8, how many drivers should she consider surveying to be 95% sure of knowing the mean will be within +$0.77? O 10 1351 38 O 94 66
An engineer wishes to determine the width of a particular electronic component. If she knows that the standard deviation is 1.3 mm, how many of these components should she consider to be 90% sure of knowing the mean will be within +0.4 mm? O 18 O 13 29 49
Both sets of values have an average of 13. Is set As standard deviation smaller, larger, or about the same as set abs? set A: 1 2 3 23 24 25 set B: 8 10 12 14 16 18
The table below gives the number of hours spent watching TV last week by a sample of 24 children. 31 28 60 63 33 75 73 87 46 82 70 50 47 50 39 83 25 73 33 74 87 85 97 12 Range = Standard Deviation =

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