Answer:
30 and 3.4641
Step-by-step explanation:
The mean of a binomial distribution is:
μ = np
And the standard deviation of a binomial distribution is:
σ = √(npq)
Here, n = 50, p = 0.60, and q = 0.40.
μ = np = 50 × 0.60 = 30
σ = √(npq) = √(50 × 0.60 × 0.40) = 3.4641
It’s more likely to be C or D
Answer:
The answer is B. the percent decrease is 16%
Step-by-step explanation:
Multiple 16% by 5000 and you'll get 800
There is a 2/9 chance that both marbles drawn will be blue.
