Answer:
So the value of the test statistic is -0.85.
Step-by-step explanation:
We know that a sample of 1800 computer chips revealed that 53% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 54% of the chips do not fail in the first 1000 hours of their use.
We get that:

We calculate the standar deviation:

We calculate the value of the test statistic:

So the value of the test statistic is -0.85.
Answer: 2 miles
Step-by-step explanation:
Afternoon-x; morning- 1.5x; Evening: 1/2x
Make a equation: 1.5x+x+1/2=6
2.5x+1/2x=6
5/2x+1/2x=6
6x=12
x=2
Answer:
50,000? This is my answer sorry if wrong
Step-by-step explanation:
You have to add the $51 to $13 and find the answer then divide the sum by $28,500
A circle is 360 degrees so 360 divided by 20=18 so 20 degrees is one 18th of a circle