Use the Appropriate Normal Distribution to Approximate the Resulting Binomial

Short Answer

Use the appropriate normal distribution to approximate the resulting binomial distribution. Round your answers to four decimal places.
A fair coin is tossed 20 times.
What is the probability of obtaining fewer than 8 heads? __________
What is the probability of obtaining more than 8 heads? __________
What is the probability of obtaining between 6 and 11 heads inclusive? __________