The margin of error of the random selection is 0.29
The given parameters are:
--- the sample size
--- the standard deviation
--- the mean
--- the confidence level.
The margin of error (E) is calculated as follows:
So, we have:
The z-value for 90% confidence level is 1.645.
Substitute 1.645 for z
Take square roots
Multiply
Approximate
Hence, the margin of error is 0.29
Read more about margin of error at:
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Answer:
Joshua's Savings = $575
Step-by-step explanation:
If the total amount is $925 and you added $350 to x (Josh's Savings) than all we have to do is subtract the $350 from the $920 to solve for x,...
$925 - $350 = $575
Joshua's Savings is equal to $575 dollars,...
Hope that helps,... Chow,...!
Answer:this is an absolute value function is there more to the question
Step-by-step explanation:
Answer:
$38.57
Step-by-step explanation:
Make a proportion.
Cross multiply.
27 times 100 = 2700
2700 divided by 70 = 38.57142857
Round the result to the hundredths place.
38.57142857 ≈ 38.57
**Hope this helps!
Answer:
The third, they are equivalent because the size of the shaded area is the same.
