1. 2880
2. 67%
Its simple math just put in effort
The correct answer is (C)!
Since the area of the circle is 400π, 150π/400π = 135/360.
Answer:
the correct estimate of the weight of Errol's backpack would be 33
Step-by-step explanation:
you just need to add 10 and 23.
Answer:
The test statistic for this test is 3.82.
Step-by-step explanation:
The null hypothesis is:
The alternate hypotesis is:
Our test statistic is:
In which X is the sample mean,
is the value tested at the null hypothesis,
is the standard deviation of the population and n is the size of the sample.
In this question:

So
The test statistic for this test is 3.82.