Suppose that the manufacturer a of a new medication wants to test the null hypothesis

= 0.90 against the alternative hypothesis

. His test statistic i X, the observed number of suces(recoveries) in 20 trials, and he will accept the null hypothesis if x>14 ; otherwise , he will rejext it.Find

and

Solution:

=

-------------------------------------------------------------

Please can anybody tell me hw did he get 0.0114 .If posible hw did u read the binomial table .Because i am not getting the answer.