Solve the problem. Round the point estimate to the nearest thousandth. Find the point estimate of the proportion of people who w
ear hearing aids if, in a random sample of 855 people, 47 people had hearing aids. Select one:
a. 0.054
b. 0.055
c. 0.052
d. 0.945
1 answer:
Answer:
b. 0.055
Step-by-step explanation:
The point estimate of the proportion of people who wear hearing aids is
The number of people in the sample who wear hearing aids divided by the total number of people in the sample.
In this problem, we have that:
Sample of 855.
47 people in the sample had hearing aids.
47/855 = 0.0549
Rounding up
0.055
So the correct answer is:
b. 0.055
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Answer:
Rs32400
Step-by-step explanation:
By the first year, it will decrease by : 40000 x 10% = 4000
The price will be : 40000 - 4000 = 36000 (Rs)
The next year, it will decrease by : 36000 x 10% = 3600
The price will be : 36000 - 3600 = 32400(Rs)
Hope it helps :)
5/50 or 1/10 in winning a prize.
Five hundred and eight thousand three hundred and seventy two
You are dividing a number (x) by three and then subtracting 1 like this. (x/3)-1
Answer: $.55
Step-by-step explanation:
An important thing to know is that a dozen is equal to 12.
12x= 6.60
/12 /12
x=.55
