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:
c or 1,500
Step-by-step explanation:
hope this helps lol
Answer:
2.052 + 5.638i
Step-by-step explanation:
expressing in trigonometric form
= | |(cosΘ + isinΘ )
= 6(cos70° + isin70°)
= 2.052 + 5.638i