clinical researcher is conducting a study using an FDA approved medication that helps patients with insomnia. The researcher obtains 350 patients and believes that the medication will work on 75% of the patients.  a) Check the conditions for the normal approximation to binomial. b) Write out the sampling distribution when ?=350. Round to one decimal. ?~________(              ,               ) c) Use the normal approximation to the binomial to find the probability that from the 350 patients, the medication works for more than 275 patients. Round to 4 decimal places.

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A clinical researcher is conducting a study using an FDA approved
medication that helps patients with insomnia. The researcher obtains 350 patients and
believes that the medication will work on 75% of the patients. 

a) Check the conditions for the normal approximation to binomial.

b) Write out the sampling distribution when ?=350. Round to one decimal.
?~________(              ,               )

c) Use the normal approximation to the binomial to find the probability that from the 350
patients, the medication works for more than 275 patients. Round to 4 decimal places.  



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