The relative frequency table shows the results of a survey in which parents were asked how much time their children
spend playing outside and how much time they spend using electronics.
Time Spent by Children
At Least 1 hr/day Less than 1 hr/day
Using Electronics Using Electronics
2
Total
At Least
1 hr/day Outside
Less than
1 hr/day Outside
Total
42
44
Given that a child spends at least 1 hour per day outside, what is the probability, rounded to the nearest hundredth if
necessary, that the child spends less than 1 hour per day on electronics?
0.22
0.25
0.70
0.88

Respuesta :

Answer:

0.22

Step-by-step explanation:

The answer is option D 0.88.

Relative frequency is the ratio of the frequency of a particular event in a statistical experiment to the total frequency.

How to find out the time that the child spends less than 1 hour per day on electronics?

We know there is a total of 16 children that spend at least an hour a day outside.

14 of those children spend less than an hour a day on electronics.

So our fraction will be 14/16.

Thus ,  14/16 = 87.5%

Rounded = 88%

which is equal to 0.88(after converting the percentage into decimals).

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