13. Employees at a construction and mining company claim that the mean salary of the company for mechanical engineers is less than that one of its competitors at $ 90,000. A random sample of 25 for the company's mechanical engineers has a mean salary of $85,000. Assume the population standard deviation is $ 6500 and the population is normally distributed. Find HO and H1. Solve

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13.find Ho and Ha
Ho:
i M290,000,00
HeiM
2 90,000.00
X=85,000
M=90,000.00
V =l6, 500
Zニ文ー
2=X-M-
85000-90,00O
_ -5000
1,45प. 13
IT
1500
J20
コ=20
a=0.05
Z3D3.43
n-1=20-1= 19
343
- 7-861
hejeet Ho
TC=-2-861
H and H
26
Hi
Transcribed Image Text:13.find Ho and Ha Ho: i M290,000,00 HeiM 2 90,000.00 X=85,000 M=90,000.00 V =l6, 500 Zニ文ー 2=X-M- 85000-90,00O _ -5000 1,45प. 13 IT 1500 J20 コ=20 a=0.05 Z3D3.43 n-1=20-1= 19 343 - 7-861 hejeet Ho TC=-2-861 H and H 26 Hi
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田の
13. Employees at a construction and mining company claim that the mean salary of the
company for mechanical engineers is less than that one of its competitors at $ 90,000. A
random sample of 25 for the company's mechanical engineers has a mean salary of
$85,000. Assume the population standard deviation is $ 6500 and the population is
normally distributed.
Find HO and H1. Solve
Transcribed Image Text:Bi Bi S S S Bb S S 9 S S O F Ox vGe N + NAL%20EXAM,%20Fall%202020%20(2).pdf Qピ☆ Facebook Zoom 9 Student Center Bb Blackboard O WhatsApp G grammarly unemployment >> 4 / 6 132% + 田の 13. Employees at a construction and mining company claim that the mean salary of the company for mechanical engineers is less than that one of its competitors at $ 90,000. A random sample of 25 for the company's mechanical engineers has a mean salary of $85,000. Assume the population standard deviation is $ 6500 and the population is normally distributed. Find HO and H1. Solve
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