Answer:
30.00
Step-by-step explanation:
20 Increased By 50% Is 30.00
Answer:
The answer is below
Step-by-step explanation:
a) For a normal model the sample size has to be equal or greater than 30 so that it can be a normal distribution.
b) Given that:
μ = 11.2 minutes, σ = 4.8 minutes, n = 45
The z score determines how many standard deviations the raw score is above or below the mean. It is given by:

For x < 10 minutes

Therefore from the normal distribution table, P(x < 10) = P(z < -1.68) = 0.0465
Answer:
-6/5
Step-by-step explanation:
-5-1 / 0-(-5)
Correct answer is y = 3x + 1
the answer on D has been cut off..