In the past, a business noted its mean sales order size was $100. This business is interested in testing whether a recent advertising campaign has changed its mean sales order size. A random sample of 40 orders produced a sample mean of $105. Assume the standard deviation is known to be $15 and sales order size is normally distributed. What is the p-value? 0.0182 .1362 .0098 .0348 O.2938

MATLAB: An Introduction with Applications
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In the past, a business noted its mean sales order size was $100. This business is interested in
testing whether a recent advertising campaign has changed its inean sales order size. A random
sample of 40 orders produced a sample mean of $105. Assume the standard deviation is known
to be $15 and sales order size is normally distributed. What is the p-value?
0.0182
O.1362
.0098
.0348
O.2938
~
11
A
D
W
P
Transcribed Image Text:In the past, a business noted its mean sales order size was $100. This business is interested in testing whether a recent advertising campaign has changed its inean sales order size. A random sample of 40 orders produced a sample mean of $105. Assume the standard deviation is known to be $15 and sales order size is normally distributed. What is the p-value? 0.0182 O.1362 .0098 .0348 O.2938 ~ 11 A D W P
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