According to a recent study, US adults spent on average 29 hours per month using the PC internet. The time spent on the PC inter net follows a normal distribution with mean 29 hours per month and standard deviation 12 hours per month.What percent of US adults spend above 29 hours per month on PC internet? g
1 answer:
Answer: The percent of US adults spend above 29 hours per month on PC internet = 50%
Step-by-step explanation:
Given: , US adults spent on average 29 hours per month using the PC internet.
As the me spent on the PC internet follows a normal distribution.
And there is 50% of the population lies above the mean and below the mean.
Then, the percent of US adults spend above 29 hours per month on PC internet = 50%
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Answer:
a) S= (1324
1342
1423
1432
2314
2341
2413
2431
3124
3142
3214
3241
4123
4132
4213
4231)
b) A= (1324
1342
1423
1432)
Step-by-step explanation:
The number of total outcome is given by,
T= 4×2×2×1=16
Listing them we have;
S=
(1324
1342
1423
1432
2314
2341
2413
2431
3124
3142
3214
3241
4123
4132
4213
4231)
b) A= (1324
1342
1423
1432)
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