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Author Question: A consumer product magazine recently ran a story concerning the increasing prices of digital ... (Read 57 times)

naturalchemist

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A consumer product magazine recently ran a story concerning the increasing prices of digital cameras. The story stated that digital camera prices dipped a couple of years ago, but now are beginning to increase in price because of added features. According to the story, the average price of all digital cameras a couple of years ago was $215.00. A random sample of n = 200 cameras was recently taken and entered into a spreadsheet. It was desired to test to determine if that average price of all digital cameras is now more than $215.00. Find the large-sample rejection region appropriate for this test if we are using .
◦ Reject H0 if z > 1.645.
◦ Reject H0 if z < -1.96 or z > 1.96.
◦ Reject H0 if z < -1.645 or z > 1.645.
◦ Reject H0 if z < -1.96.


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Marked as best answer by naturalchemist on Feb 14, 2020

zhanghao

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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naturalchemist

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Reply 2 on: Feb 14, 2020
Great answer, keep it coming :)


juliaf

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Reply 3 on: Yesterday
Wow, this really help

 

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