Answer:
84
Step-by-step explanation:
0.5 · 7 · 24
0.5 · 168
84
Given:
mean, u = 0
standard deviation σ = 1
Let's determine the following:
(a) Probability of an outcome that is more than -1.26.
Here, we are to find: P(x > -1.26).
Apply the formula:

Thus, we have:

Using the standard normal table, we have:
NORMSDIST(-1.26) = 0.1038
Therefore, the probability of an outcome that is more than -1.26 is 0.1038
(b) Probability of an outcome that
Answer:
200 / (3.14*(28/12)) = 27.3
Step-by-step explanation: