Answer:

Step-by-step explanation:
it is given in question that
sample space n=34
μ the population mean =120
the sample mean 
the population standard deviation σ=20
we have to find the null hypothesis and alternative hypothesis
null hypothesis
the average braking distance for a small car travelling at 65 miles per hour equals to 120 feet
so 
Alternative hypothesis
the average braking distance for a small car travelling at 65 miles per hour not equals to 120 feet
so 
Answer:
w = 2.7
Step-by-step explanation:
To solve for what number divided by 3 is equal to 0.9 you can do 0.9*3 and get the answer 2.7. w = 2.7.
The answer is B. If the price is marked up 25%, the selling price will be $50.
Answer:
0.75, 0.64, 0.79, 0.69
Step-by-step explanation:
I hope this helps!!!!
It's going to be 35 present