Question

I need help with Part D - d) What percentage of households in the survey have three​ televisions? - Thank you!

A researcher wanted to determine the number of televisions in households. He conducts a survey of 40 randomly selected households and obtains the data in the accompanying table. Table of television counts

0
3
2
2
1
3
2
1
4
3
2
1
1
0
2
2
4
3
1
1
1
2
1
4
1
2
1
1
5
2
1
3
2
2
2
3
2
2
1
3

(a) Are these data discrete or​ continuous? Explain.

A. The given data are continuous because they can take on any real value.

B. The given data are continuous because they can only have whole number values.

C. The given data are discrete because they can take on any real value.

D. The given data are discrete because they can only have whole number values. CORRECT ANSWER

​(b) Construct a frequency distribution of the data.

Televisions	Frequency
00	2
11	13
22	14
33	7
44	3
55	1

​(c) Construct a relative frequency distribution of the data.

Televisions	Relative Frequency
00	0.05
11	0.325
22	0.35
33	0.175
44	0.075
55	0.025

​(Type integers or decimals. Do not​ round.)

d) What percentage of households in the survey have three​ televisions?

__?__​%

​(Type an integer or a decimal. Do not​ round.)

Answer 1

Here we calculated the relative frequency for number of televisions households have.

The household in the survey have 3 televisions has relative frequency = 0.175

So we can express relative frequency in percent as 17.5 %

The percentage of households in the survey have 3 televisions = 17.5 %