To test Ho: 20 versus H: <20, a nimple random sample of size n=20 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). Click here to view the t-Distribution Area in Right Tall. ...... (n) If x= 18.4 and s = 3.8, compute the test statistic. t- (Round to two decimal places as needed.) (b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs shows the correct shaded region? OA O B. O C. Q

MATLAB: An Introduction with Applications
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To test Ho: -20 versus H:p<20, a simple random sample of sizen=20 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d).
A Click here to view the t-Distribution Area in Right Tall.
(n) If x18.4 and s-3.8, compute the test statistic
te (Round to two decimal places as needed.)
(b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs shows the correct shaded region?
O B.
Q
Transcribed Image Text:To test Ho: -20 versus H:p<20, a simple random sample of sizen=20 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). A Click here to view the t-Distribution Area in Right Tall. (n) If x18.4 and s-3.8, compute the test statistic te (Round to two decimal places as needed.) (b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs shows the correct shaded region? O B. Q
To test Ho: = 20 versus H,: u<20, a simple random sample of sizen=20 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d).
m Click here to view the t-Distribution Area in Right Tail.
O A
OB.
Oc.
Transcribed Image Text:To test Ho: = 20 versus H,: u<20, a simple random sample of sizen=20 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). m Click here to view the t-Distribution Area in Right Tail. O A OB. Oc.
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