Part A:
Given that in a sample of 400 registered voters, 204 were democrats, i.e. n = 400, <span>

</span>The 95% confidence interval for the proportion of registered democrats voters in the population is given by:

Part B:
Given that t<span>here
are 169 million registered voters in the US, the interval for
the number of registered democrats in the population is given by
[0.461(169,000,000), 0.559(169,000,000)] = (77,909,000, 94,471,000)
</span>
Answer:
x=5
Step-by-step explanation:
x=5 hope this helps!
Answer:
$ 720
Step-by-step explanation:
Normal time $ 15
Overtime: 15 x 1/3 = $5 + $15 = $20
(40 x 15) + (6 x 20) = 600 + 120
Number ten is 60 73+36=108