Answer : the answer is 5 people per T-shirt
Step-by-step explanation: because its 5 people per 1 T-shirt
Answer:
The area of this figure is 45 square units.
Answer:
132 square feet
Step-by-step explanation:
a+b/2*h
20+24/2*6=132
Answer:
P = 45
Step-by-step explanation:
180 - 90 = 90
90 / 2 = 45
P = 45
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Answer:
A) Mean = 135 Variance = 62 Standard Deviation = 8
Step-by-step explanation:
Given that :
Proportion (p) = 54%
Sample size (n) = 250
Using Normal approximation :
Mean = np
Mean = 250 * 0.54 = 135
Variance = npq ; q = 1 - p = 1 - 0.54 = 0.46
Variance = (250 * 0.54 * 0.46) = 62.1 = 62
Standard deviation = √variance = √62.1
Standard deviation = 7.8803553 = 8
