112-37=75
75/5=15
So 15 weeks until she has 112 cards
Answer:
A
Step-by-step explanation:
Answer:
50 %
Step-by-step explanation:
Since each side heads and less than three are half the object what is half of 100 percent
Answer:
0.3745
Step-by-step explanation:
Data
mean (
): 80
standard deviation (
): 4
Normal distribution table is in figure attached
.

Z = (85 - 80)/4 = 1.25
Area below curve = 0.3944
Z = (82 - 80)/4 = 0.5
Area below curve = 0.0199
Proportion of exam scores between 82 and 85?
0.3944 - 0.0199 = 0.3745