Answer:
sin90 =1
cos 90 = 0
Step-by-step explanation:
θ = 90 degrees
There are eight books total and he only grabbed two so the probability would be 2 out of 16 or 2:16
Answer:

Step-by-step explanation:



Let the number be x
15% = 90
1% = 6
100% = 6 x 100 = 600
Answer:
Given confidence interval is 0.54+or-0.05
0.54-0.05,0.54+0.05 =
(0.49,0.59)
In repeated sampling,the true proportion of country residents in favor of offering incentives to high-tech industries to build plants in the country will fall in the interval (0.49,0.59)