chaeyoung22
16.12.2019 •
Mathematics
If allison has twelve female cousins and fifteen male cousins , what fraction of her cousins is male
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Ответ:
15/27
Step-by-step explanation:
You add the 12 and 15 and that is the whole amount of cousins and the amount of male is 15 out of 27
Ответ:
a) 0.5
b) 0.309
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 70 inches
Standard Deviation, σ = 4 inches
Formula:
Height of George Washington = 6 feet =
x = 72
a) z-score
Interpretation:
This, mean that George Washington is 0.5 standard deviation more than the mean height of for men.
b) P(individual will be as tall or taller than George Washington)
Calculation the value from standard normal z table, we have,
Interpretation:
0.309 is the probability that a randomly selected individual will be as tall or taller than George Washington.