Answer:
1/10
Step-by-step explanation:
To multiply 1/4 and 2/5 together, you just multiply straight across.
1/4 * 2/5 = 2/20
You can simplify this further by div'g by 2/2, so your final answer is 1/10.
This will be false because that’s not the average winter temperatures in 45 states
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
The correct answer is 8
10% of 80 is 8
Hope this helped :)