The breaking strengths of cables produced by a certain manufacturer have historically had a mean of 1900 pounds and a standard deviation of 70 pounds. The company believes that, due to an improvement in the manufacturing process, the mean breaking strength, μ, of the cables is now greater than 1900 pounds. To see if this is the case, 90 newly manufactured cables are randomly chosen and tested, and their mean breaking strength is found to be 1905 pounds. Can wel support, at the 0.10 level of significance, the claim that the population mean breaking strength of the newly-manufactured cables is greater than 1900 pounds? Assume that the population standard deviation has not changed. Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places, and round your responses as specified below. (If necessary, consult a list of formulas.) (a) State the null hypothesis H, and the alternative hypothesis H₁. Ho H₁ :0 (b) Determine the type of test statistic to use. (Choose one) ▼ (c) Find the value of the test statistic. (Round to three or more decimal places.) 0 (d) Find the p-value. (Round to three or more decimal places.) (e) Can we support the claim that the population mean breaking strength of the newly-manufactured cables is greater than 1900 pounds? OYes No A |x X ローロ O 0⁰ Do X S Oso DO G M
The breaking strengths of cables produced by a certain manufacturer have historically had a mean of 1900 pounds and a standard deviation of 70 pounds. The company believes that, due to an improvement in the manufacturing process, the mean breaking strength, μ, of the cables is now greater than 1900 pounds. To see if this is the case, 90 newly manufactured cables are randomly chosen and tested, and their mean breaking strength is found to be 1905 pounds. Can wel support, at the 0.10 level of significance, the claim that the population mean breaking strength of the newly-manufactured cables is greater than 1900 pounds? Assume that the population standard deviation has not changed. Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places, and round your responses as specified below. (If necessary, consult a list of formulas.) (a) State the null hypothesis H, and the alternative hypothesis H₁. Ho H₁ :0 (b) Determine the type of test statistic to use. (Choose one) ▼ (c) Find the value of the test statistic. (Round to three or more decimal places.) 0 (d) Find the p-value. (Round to three or more decimal places.) (e) Can we support the claim that the population mean breaking strength of the newly-manufactured cables is greater than 1900 pounds? OYes No A |x X ローロ O 0⁰ Do X S Oso DO G M
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Please show steps to get p value
![The breaking strengths of cables produced by a certain manufacturer have historically had a mean of 1900 pounds and a standard deviation of 70 pounds. The
company believes that, due to an improvement in the manufacturing process, the mean breaking strength, μ, of the cables is now greater than 1900 pounds. To
see if this is the case, 90 newly manufactured cables are randomly chosen and tested, and their mean breaking strength is found to be 1905 pounds. Can we
support, at the 0.10 level of significance, the claim that the population mean breaking strength of the newly-manufactured cables is greater than 1900 pounds?
Assume that the population standard deviation has not changed.
Perform a one-tailed test. Then complete the parts below.
Carry your intermediate computations to three or more decimal places, and round your responses as specified below. (If necessary, consult a list of formulas.)
(a) State the null hypothesis H, and the alternative hypothesis H₁.
Ho
:
H₁:0
(b) Determine the type of test statistic to use.
(Choose one) ▼
(c) Find the value of the test statistic. (Round to three or more decimal places.)
0
(d) Find the p-value. (Round to three or more decimal places.)
0
(e) Can we support the claim that the population mean breaking strength of the
newly-manufactured cables is greater than 1900 pounds?
Yes No
planation
Check
CO
F5
μ
XI
ローロ
0⁰ 00
X
O
S
F7
SO
□口
5
Р
<Q
20
>
Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility
FB
F9
F10
F11
Españc
1
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Transcribed Image Text:The breaking strengths of cables produced by a certain manufacturer have historically had a mean of 1900 pounds and a standard deviation of 70 pounds. The
company believes that, due to an improvement in the manufacturing process, the mean breaking strength, μ, of the cables is now greater than 1900 pounds. To
see if this is the case, 90 newly manufactured cables are randomly chosen and tested, and their mean breaking strength is found to be 1905 pounds. Can we
support, at the 0.10 level of significance, the claim that the population mean breaking strength of the newly-manufactured cables is greater than 1900 pounds?
Assume that the population standard deviation has not changed.
Perform a one-tailed test. Then complete the parts below.
Carry your intermediate computations to three or more decimal places, and round your responses as specified below. (If necessary, consult a list of formulas.)
(a) State the null hypothesis H, and the alternative hypothesis H₁.
Ho
:
H₁:0
(b) Determine the type of test statistic to use.
(Choose one) ▼
(c) Find the value of the test statistic. (Round to three or more decimal places.)
0
(d) Find the p-value. (Round to three or more decimal places.)
0
(e) Can we support the claim that the population mean breaking strength of the
newly-manufactured cables is greater than 1900 pounds?
Yes No
planation
Check
CO
F5
μ
XI
ローロ
0⁰ 00
X
O
S
F7
SO
□口
5
Р
<Q
20
>
Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility
FB
F9
F10
F11
Españc
1
P
ALET
A3
M
?
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