Answer:
$729.30
Step-by-step explanation:
Each year, the amount owed is multiplied by 1.05. At the end of 4 years, it will be ...
$600×1.05⁴ ≈ $729.30
Answer:
207 minutes.
Step-by-step explanation:
115 x 4/5 = 92
115 + 92 = 207
Answer:
(4.5, 4.7)
Step-by-step explanation:
Hi!
Lets call X to the consumption of milk per week among males over age 32. X has a normal distribution with mean μ and standard deviation σ.

When you know the population standard deviation σ of X , and the sample mean is
, the variable q has distribution N(0,1):

Then you have:

This defines a C - level confidence interval. For each C the value of k is well known. In this case C = 0.98, then k = 2.326
Then the confidence interval is:
