for number 10 here is the question along with the answer. I\'m confused on how w

Question

for number 10 here is the question along with the answer. I'm confused on how we know when to use the signs such as <, >, or the greater than or equal too and less than or equal too signs. when it says 1.48 < 2.33, why not use the less than or equal too sign? Or for did greater than or equal too 2.33 why not just use >?

z-x-11-264-25 Vn 6//40 10. a. b. p-value is the area in the upper tail: P(z 2 1.48) Using normal table with z Using Excel: p-value = 1-NORMS.DIST(L48,TRUE)-.0694 p-value> .01, do not reject Ho 1.48: p-value = 1.0000-.9306 = .0694 c. d. Reject Ho if z 22.33 1.48

Explanation / Answer

solution10

it clearly says

in alternative hypothesis > symbol is seen

it means it is increasing

when it says in claim increases or decreases it is

unidirectional test

u should use

< or >

if it isays in claim :effective or no diffference

use two tiail test

not equal to symbol

alternative hypopthesis is opposite to null hypothesis

we prove the claim

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