Business Statistics

202 Business Statistics

6A1. In a fair coin tossing experiment, compute the probability of

getting 9 heads in 15 trials?

6A2. In a fair coin tossing experiment, compute the probability of

getting 6 or fewer heads in 15 trials?

6A3. Compute the following probabilities using the binomial for-

mula:

(a) If n = 6 and p = 0.15, compute P(x = 2)

(b) If n = 16 and p = 0.65, compute P(x = 4)

(c) If n = 20 and p = 0.18, compute P(x  7)

(d) If n = 13 and p = 0.12, compute P(3  x  5)

6A4. Compute the mean and standard deviation of the following

binomial distributions.

(a) If n = 12 and p = 0.20

(b) If n = 20 and p = 0.18 ...