Answer:
12 and 3.0984
Step-by-step explanation:
Binomial probability distribution
Probability of exactly x sucesses on n repeated trials, with p probability.
The expected value of the binomial distribution is:

The standard deviation of the binomial distribution is:

In this problem, we have that:

So


So the correct answer is:
12 and 3.0984
Answer:
51-55 1 0
56-60 2 0
61-65 1 0
66–70 2 8
71–75 1 3
76–80 0 4
81–85 0 1
Step-by-step explanation:
Its what i got and was correct, Hope this is useful
Answer:
B
Step-by-step explanation:
hope it helps
Answer:
y=-3+2x
Step-by-step explanation: