Answer: Given a sample of 200, we are 90% confident that the true proportion of people who watched educational TV is between 72.1% and 81.9%.
Step-by-step explanation:


=0.049
0.77±0.049< 0.819, 0.721
Answer:
50° F
Step-by-step explanation:
To convert C° to F°, Multiply the celcius temperature by 9/5, then add 32 to it.
10 x 9/5 = 18
18 + 32 = 50
Answer:
4
Step-by-step explanation:
7 is a Prime number and has 4 integer divisors
These are ± 1 and ± 7
Answer:
find the average.
Step-by-step explanation: