A simple random sample of size 10 from 2 N(Î¼,Ïƒ2) gives 98% confidence interval (20.49, 23.51). Then the null hypothesis H0 : Î¼ = 20.5 against HA : Î¼ â‰ 20.5 Options: A . &nbspcan be rejected at 2% level of significance B . &nbspcannot be rejected at 5% level of significance C . &nbspcan be rejected at 10% level of significance D . &nbspcannot be rejected at any level of significance

A simple random sample of size 10 from 2 N(Î¼,Ïƒ2) gives 98% confidence int

Question

A simple random sample of size 10 from 2 N(Î¼,Ïƒ2) gives 98% confidence interval (20.49, 23.51). Then the null hypothesis H0 : Î¼ = 20.5 against HA : Î¼ â‰ 20.5

Options:

A . can be rejected at 2% level of significance

B . cannot be rejected at 5% level of significance

C . can be rejected at 10% level of significance

D . cannot be rejected at any level of significance

Answer: Option C

-NA-

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