Answer:
4.72 hours/day
Step-by-step explanation:
Mean time spent watching TV (μ) = 2.8 hours a day
Standard deviation (σ) = 1.5 hours a day
The 90th percentile (upper 10%) of a normal distribution has an equivalent z-score of roughly z = 1.282. The minimum time spent watching TV, X, at the 90th percentile is:
On a typical day, you must watch at least 4.72 hours of TV to be in the upper 10%.
Answer:
stop cheating on your schoology test;)
Step-by-step explanation:
Answer:
1.05(0.85y)
Step-by-step explanation:
15% off so .85y and a 5% tax so 1.05(.85y)
I got 480 square feet. I assume that the apartment was a rectangle so the sides were 3in by 5in. Then I converted inches to feet and then found the area again
Answer:
adult tickets
Step-by-step explanation:
Let x be the total sold adult ticket.
Given:
Total 582 tickets were sold.
There were 68 fewer student tickets sold than adult tickets
Then there were 
students.
So, The total sold ticket equation is
Therefore, 257 adult tickets were sold
