Answer:
D
Step-by-step explanation
A. there are 6 triangles so not this
B. Only 2 rectangles
C. 6 triangles once again
D. everything matches
Answer:
23 years old
Step-by-step explanation:
Let x = age of younger sibling.
Then, the age of the older sibling is x + 9.
x + x + 9 = 55
2x = 46
x = 23
Answer: 23 years old
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Answer:
Option C) 92.50%
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 100 MHz
Variance = 9 MHz
We are given that the distribution of frequency is a bell shaped distribution that is a normal distribution.
Formula:
P( product that falls between 95.06 MHz and 105.88 MHz)
92.5% of product will be acceptable to the government.
Thus, the correct answer is
Option C) 92.50%