I think the answer is A because it I'm right it did double the size.
The answer is 4/7 in simplest form
Answer:
1st one, x=-1
2nd on, y=2
Step-by-step explanation:
Answer:
Option C) 0.25
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 22 minutes
Standard Deviation, σ = 11.9 minutes
We are given that the distribution of response time is a bell shaped distribution that is a normal distribution.
Formula:
P(response times is over 30 minutes)
P(x > 30)
Calculation the value from standard normal z table, we have,

Thus, the correct answer is
Option C) 0.25