Answer: 1+1 = 2 :)
Step-by-step explanation:
Answer:
10
Step-by-step explanation:

4 x 5 = 20
= 10
Answer:
(a) The confidence interval is: 0.0304 ≤ π ≤ 0.0830.
(b) Upper confidence bound = 0.0787
Step-by-step explanation:
(a) The confidence interval for p (proportion) can be calculated as


NOTE: π is the proportion ot the population, but it is unknown. It can be estimated as p.

For a 95% two-sided confidence interval, z=±1.96, so

The confidence interval is: 0.0304 ≤ π ≤ 0.0830.
(b) The confidence interval now has only an upper limit, so z is now 1.64.

The confidence interval is: -∞ ≤ π ≤ 0.0787.
Answer:
10000 + 8000 + 300 + 7
Step-by-step explanation:
18,307
= 10000 + 8000 + 300 + 7