Step-by-step answer:
standard deviation (sigma) = 12 inches
mean (mu) = 90 inches.
For 36 years, the standard error of the mean is
e = sigma / sqrt(n) = 12" / sqrt(36) = 2".
Deviation from the mean
= 92.8 -90 = 2.8
Since the standard error of the mean follows the normal distribution, we have
Z=(92.8-90)/2 = 1.4
Looking up the normal distribution tables, or check R, we find
P(Z>1.4) = 1-P(Z<1.4) = 1-0.9192433 = 0.08075666
Answer: P(snowfall>92.8) = 0.0808 (to four decimal places)
Answer:
Separately divide each
Step-by-step explanation:
Answer:
67.5sin12(x - 7.5) + 67.5
= 67.5[sin 12(x - 7.5) + 1]
= 67.5[sin(12x - 90) + 1]
= 67.5[ sin(12x)cos90 - cos(12x)sin90 + 1]
= 67.5[ -cos12x + 1]
= 67.5 - 67.5cos12x
Step-by-step explanation:
Answer:
Pt A:I would say net A because if you fold net b it's going to be very tricky and hard to make and if you fold net A you get the exact shape.
Pt B:AB is 3in BC is 4 in and CD is 5 in.
Step-by-step explanation:
i hope this helps this helps you get out of trouble
Answer:
its d
Step-by-step explanation: