Question

Suppose in a local Kindergarten through 12^th grade (K - 12) school district, 53 percent of the population favor a charter school for grades K through five. A simple random sample of 600 is surveyed. Calculate the following using the normal approximation to the binomial distribution. (Round your answers to four decimal places.)

(a) Find the probability that less than 250 favor a charter school for grades K through 5.


(b) Find the probability that 315 or more favor a charter school for grades K through 5.


(c) Find the probability that no more than 290 favor a charter school for grades K through 5.


(d) Find the probability that there are fewer than 275 that favor a charter school for grades K through 5.


(e) Find the probability that exactly 300 favor a charter school for grades K through 5.

Answer 1

due to insufficient time , i will not answer (e) bit .

please send the separate question , i will answet it .

Thank you!