Question

In: Statistics and Probability

The table to the right shows the number of​ people, in​ thousands, in a country without...

The table to the right shows the number of​ people, in​ thousands, in a country without health insurance in a certain year. Complete parts​ a) through​ d) below.

Insured

Uninsured

Under 18 years

67 comma 02567,025

7 comma 4337,433

18 to 24 years

21 comma 08721,087

8 comma 8648,864

25 to 34 years

29 comma 33729,337

11 comma 25711,257

35 to 44 years

31 comma 77831,778

8 comma 2798,279

45 to 64 years

67 comma 06267,062

13 comma 46513,465

65 years and older

38 comma 83538,835

755755

​a) What percentage of the​ countries' population in the year did not have health insurance and was between the ages of 18 to 24​ years?

nothing ​%

​(Round to two decimal places as​ needed.)

Solutions

Expert Solution

Solution:

We are given following table shows the number of​ people, in​ thousands, in a country without health insurance in a certain year.

Insured Uninsured Row Totals
Under 18 years 67,025 7,433 74,458
18 to 24 years 21,087 8,864 29,951
25 to 34 years 29,337 11,257 40,594
35 to 44 years 31,778 8,279 40,057
45 to 64 years 67,062 13,465 80,527
65 years and older 38,835 755 39,590
Column Totals 2,55,124 50,053 N = 3,05,177

Part a) We have to find the percentage of the​ countries' population in the year did not have health insurance and was between the ages of 18 to 24​ years

Let A = countries' population in the year did not have health insurance

and B = countries' population is between the ages of 18 to 24​ years

Thus we have to find:

P( A and B) = ..........?

From the table we have :

n(A and B) =Number of people in the year did not have health insurance and are between the ages of 18 to 24​ years = 8,864

and

N = Total population = 3,05,177

Thus

That is: the percentage of the​ countries' population in the year did not have health insurance and was between the ages of 18 to 24​ years is 2.90%


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