Answer:
Step-by-step explanation:
Given that the number of orders received daily by an online vendor of used CDs (say X) is normally distributed with mean 270 and standard deviation 16.
X is N(270, 16)
To find percentage of days will the company have to hire extra help or pay overtime, we can find probability using std normal table
X>302 means
P(Z>2) = 0.25
Thus 25% of days will the company have to hire extra help or pay overtime
Answer:
See attached
Step-by-step explanation:
y = mx + b - slope-intercept form
m- is the slope, the greater the slope the steeper the line, it gets flatter when is getting closer to zero
b- y-intercept, if be is positive it indicates vertical shift up, when negative- vertical shift down
Answer:
a) c = 1/15
b) =2/5
c) = 3/5
d) No, it cannot be the PMF of y.
Step-by-step explanation:
We have that