Answer:
120,0.60,100
Step-by-step explanation:
Given that in a certain county in 2013, it was thought that 50% of men 50 years old or older had never been screened for prostate cancer.
Suppose a random sample of 200 of these men shows that 120 of them had never been screened.
a) the observed frequency = 120
b) The observed proportion of men who said they had not been screened
=
c) Expected number in the sample to say they had never been screened if 50% is the correct rate
= np
= 
Answer:
−8a2−3b+76
Step-by-step explanation:
=13a2+−3b+−21a2+76
Combine Like Terms:
=13a2+−3b+−21a2+76
=(13a2+−21a2)+(−3b)+(76)
=−8a2+−3b+76
Answer:
wheres the rest of the question or is that the whole question
Step-by-step explanation:
<h3>
Answer: 10.7</h3>
Work Shown:
5 times 2 = 10
5 times 13 = 65
5 times 2.13 = 10.65
This rounds to <u>10.7</u> when rounding to the nearest tenth, i.e. one decimal place.