Normal Approx to Binomial Prob

2 Questions

QUESTION 1 of 2

Hello Professor,
I need help solving 49 in homework 5.4. I have: n=50. p=.25 q=.75
and I am solving P(x>35)

is this correct?
Please help. Thank you.

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QUESTION 2 of 2

I'm kind of confused on how to approach these problems (when n is larger than 25 and you cannot use the binomial table)

Use the normal approximation to calculate the probability that P( x >= 17) for n = 30, p = 0.50 .

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