A 90% confidence interval for the mean age, in weeks, at which a baby first crawls was reported to be (32, 46). The margin of er
1 answer:
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Answer:
For the expression
k = 9 is the required solution.
Step-by-step explanation:
Here, the given expression is
Solving the above expression for k, we get:
or,
or,
or, k = 9
Hence for the expression
k = 9 is the required solution.
Answer:
<h3>The answer is 5.7 %</h3>Step-by-step explanation:
To find the rate given the principal , time and interest , we use the formula
where
p is the principal
t is the time
I is the interest
From the question
Principal = $1,250
Time = 4 years
Interest = $285
We have
We have the final answer as
<h3>5.7 %</h3>Hope this helps you