I need help with question 30 with a-d andofmileer con-$150.of allng withnt col-whethers. Tellof con-averagingbablye values0, ord) About what percentage of the trees should be between 5./and 10.4 inches in diameter?e) About what percentage of the trees should be over 15 inchesin diameter?30. Rivets A company that manufactures rivets believes the shearstrength (in pounds) is modeled by N(800, 50).a) Draw and label the Normal model.b) Would it be safe to use these rivets in a situation requiring ashear strength of 750 pounds? Explain.c) About what percent of these rivets would you expect to fallbelow 900 pounds?d) Rivets are used in a variety of applications with varyingshear strength requirements. What is the maximum shearstrength for which you would feel comfortable approvingthis company's rivets? Explain your reasoning.31. Trees revisited The forester in Exercise 29 measured thediameters of 27 trees in a woods, and from these made projectionsabout the whole forest based on a Normal model. The histogramComposb) The lower cluster, that is, the salmost entirely made up of schdistrict. If those scores are remshape of the new distribution?mean and standard deviation?34. Wisconsin ACT 2015 II This plcfor Wisconsin schools with the Malternative schools removed. The1s, and mean + 1s.mean -Frequency706050403020

For the distribution of the shear strength (in pounds), which is modeled as N(800,50), it is given…

Answered: of mile er con- $150. f all ng with nt…

of mile er con- $150. f all ng with nt col- whether s. Tell of con- averaging bably e values , or d) F e) 2 30. Riv stre a) b) c) P 31. T C

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

I need help with question 30 with a-d

and
of
mile
er con-
$150.
of all
ng with
nt col-
whether
s. Tell
of con-
averaging
bably
e values
0, or
d) About what percentage of the trees should be between 5./
and 10.4 inches in diameter?
e) About what percentage of the trees should be over 15 inches
in diameter?
30. Rivets A company that manufactures rivets believes the shear
strength (in pounds) is modeled by N(800, 50).
a) Draw and label the Normal model.
b) Would it be safe to use these rivets in a situation requiring a
shear strength of 750 pounds? Explain.
c) About what percent of these rivets would you expect to fall
below 900 pounds?
d) Rivets are used in a variety of applications with varying
shear strength requirements. What is the maximum shear
strength for which you would feel comfortable approving
this company's rivets? Explain your reasoning.
31. Trees revisited The forester in Exercise 29 measured the
diameters of 27 trees in a woods, and from these made projections
about the whole forest based on a Normal model. The histogram
Compos
b) The lower cluster, that is, the s
almost entirely made up of sch
district. If those scores are rem
shape of the new distribution?
mean and standard deviation?
34. Wisconsin ACT 2015 II This plc
for Wisconsin schools with the M
alternative schools removed. The
1s, and mean + 1s.
mean -
Frequency
70
60
50
40
30
20

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