Answer:
2
Step-by-step explanation:
Answer:
0.29
Step-by-step explanation:

Answer:
1/2 ^w : decay factor after w weeks
hope this helps
Step-by-step explanation:
Answer:
a)1.5
b)36
c)34
d)5.33333...
e)0
Step-by-step explanation:
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