Step-by-step explanation:
Replace x = 3
f(3) = 2(3) - 2
= 6 - 2
= 4
Answer: 95% of all people work between 7 hours and 9 hours per day and It is true.
Step-by-step explanation:
Since we have given that
Mean = 8 hours
Standard deviation = 0.5 hours
According to Empirical Rule,
at 95% confidence, it lies within 2 standard deviations from the mean
so, lower value is given by

upper value is given by

Hence, 95% of all people work between 7 hours and 9 hours per day.
Therefore , it is true.
Um..... probably 500 cause 200 less is 300 and 200 more is 700
The project manager pay $9225 in federal income tax last year.
D.
Answer:
crazy i need help on the same problem
Step-by-step explanation:
help ?!