In a 2008 survey, people were asked their opinions on astrology— whether it was very scientific, somewhat scientific, or not at all scientific. Of 1430 who responded, 76 said astrology was very scientific. B. Find a 95% confidence interval for the population portion with this belief.

95% Confidence interval:  (0.0415,0.0647)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 1430

Number of people who responded that astrology was very scientific, x = 76

95% Confidence interval:

Putting the values, we get:

95% confidence interval for the population portion with this belief: (0.0415,0.0647)

d

step-by-step explanation:

d

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: