Question

11. Which of the following would be the correct hypotheses to test the claim that the mean life of a “C” battery is not 1600 hours? A. H.:M<1600, H.: 1600 B. 1, 21600, H. <1600 C. H.: > 1600, H.: 1600 D. H.-1600, H.:u-1600

Answer 1

As the we have to test the claim that mean life of battery C is not 1600 hours

so we used claim statement as alternatve hypotesis

$Ha: \mu\neq 1600$

and

for testing ,we assumed mean llife of battery C is 1600 hours as null hypotesis

i,e

$Ho: \mu= 1600$

so correct hypotesis statment is

$Ho: \mu= 1600 ~~~vs ~Ha: \mu\neq 1600$

ans =D-----------