Answer: 16
Step-by-step explanation:
Standard deviation is 2
Margin error for the problem is 1
Probability 95%, that means thet the siginficance level α is 1 – p
α = 1 – 0.95 = 0.05
margin of error (ME) can be defined as follows
ME = Z(α/2) * standard deviation/ √n
Where n is the sample size
Z(0.05/2) = Z(0.025)
Using a z table Z = 1.96
Now, replacing in the equation and find n
1 = 1.96 * 2/ √n
1 = 3.92 / √n
√n = 3.92
n = 3.92^2
n = 15.36 = 16
i hope this work for you
Idek broooooooooo good luck tho
A. & B. Is the correct answer.
Answer:
Only one option is correct from the information provided.
c. 12/192
Step-by-step explanation:
Recall that the area of a rectangle is given by:
The larger rectangle has length of 16 and a width of 12.
The area of the larger rectangle is
The smaller rectangle has length of 4 and a width of 3.
The area of the smaller rectangle is
The ratio of the smaller rectangle to the larger rectangle is
When you reduce this fraction , you obtain:
Answer:
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Step-by-step explanation:
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