Answer: The Z value for 95% confidence is Z=1.96.
Step-by-step explanation:
Answer:
Option c. is correct
Step-by-step explanation:
The standard deviation is a measure of the amount of dispersion in a set of values.
Mean of a normal distribution (m) = 154
Standard deviation (s) = 15
z-score = 2.2
To find: value (x) that has a z-score of 2.2
z-score is given by
Put
Option c.is correct
Answer:
(x+3) (x-6) = 0
Step-by-step explanation:
Answer:
Step-by-step explanation:
Let's solve for C.
Step 1: Flip the equation.
Step 2: Add to both sides.
Step 3: Divide both sides by .
Answer: