1.A sample of 36 students are drawn from the NUST student population, and their body weights are measured. Their results show a mean weight of 84 kg  with a standard deviation of 14.8 kg. If you construct a 90 % degree of confidence interval estimate for the unknown population mean. What will be the upper limit  (UL) for this confidence interval estimate? a. 66.80 b. 88.61 c. 95.20 d. None of the provided

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Topic Video
Question

1.A sample of 36 students are drawn from the NUST student population, and their body weights are measured. Their results show a mean weight of 84 kg  with a standard deviation of 14.8 kg.

If you construct a 90 % degree of confidence interval estimate for the unknown population mean. What will be the upper limit  (UL) for this confidence interval estimate?

a.

66.80

b.

88.61

c.

95.20

d.

None of the provided

 

  1. A company which supplies ready-mixed concrete receives, on average, 6 orders per day. What is the probability that on any given day:  No orders will be received

a.

0.07342

b.

0.00248

c.

0.05345

d.

None of the provided

 

 

 

 

  1. Due to the sharp increase in the prices of urban properties over the last five years, only a small percentage of new city dwellers can afford to buy their own property. According to a recent survey, only 22% of these new city dwellers can afford to buy their own property. An estate agency who wanted to verify this, considered a random sample of 200 recent city dwellers, and found that only 38 of them bought their property in town. Test at the 5% significance level whether the percentage has changed.

 0.Calculate the sample part, p 

a.

0.22

b.

0.38

c.

0.19

d.

None of the provided

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.Due to the sharp increase in the prices of urban properties over the last five years, only a small percentage of new city dwellers can afford to buy their own property. According to a recent survey, only 22% of these new city dwellers can afford to buy their own property. An estate agency who wanted to verify this, considered a random sample of 200 recent city dwellers, and found that only 38 of them bought their property in town. Test at the 5% significance level whether the percentage has changed.

Select the suitable critical value for the decision rule

a.

1.645

b.

1.96

c.

2.575

d.

None of the Provided

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1. Due to the sharp increase in the prices of urban properties over the last five years, only a small percentage of new city dwellers can afford to buy their own property. According to a recent survey, only 22% of these new city dwellers can afford to buy their own property. An estate agency who wanted to verify this, considered a random sample of 200 recent city dwellers, and found that only 38 of them bought their property in town. Test at the 5% significance level whether the percentage has changed. Based upon the outcome of your test, What is the decision ?

a.

Reject Ho

b.

Do not Reject Ho

c.

Do not reject Ha

d.

None of the provided

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6.A company which supplies ready-mixed concrete receives, on average, 6 orders per day. What is the probability that ten orders will be received during the next ten days?:

 

a.

0.09575

b.

0.04999

c.

0.10444

d.

None of the provided

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1. A company which supplies ready-mixed concrete receives, on average, 6 orders per day. What is the probability that on any given day: At least three orders will be received

a.

0.6463

b.

0.3333

c.

0.9380

d.

None of the provided

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Expert Solution
steps

Step by step

Solved in 2 steps with 4 images

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman