Answer:
a. 0.48
b. The 96% confidence interval for p is (0.457, 0.503).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of
, and a confidence level of
, we have the following confidence interval of proportions.

In which
z is the zscore that has a pvalue of
.
In a poll of 2000 likely voters, 960 say that the US spends too little on fighting hunger at home.
This means that
.
This is the answer for question a.
96% confidence level
So
, z is the value of Z that has a pvalue of
, so
.
The lower limit of this interval is:

The upper limit of this interval is:

The 96% confidence interval for p is (0.457, 0.503).
Answer:
13 hours and 12 minutes
Step-by-step explanation:
You put 3.25 as a fraction which is 3 1/4. then I took 3 1/4 and misused it by 11 1/2. 23/2 - 13/4 = 8 1/4 then we took the 5/8 and divided it by 33/4 (3 1/4) I got 13 1/5. 13 1/5 is 13 hours and 12 minutes.
Answer:
b. -3
Step-by-step explanation:
Cross multiply
5x = 3(x - 2)
Distributive property
5x = 3x - 6
Subtract 3x from both sides
2x = -6
Divide both sides by 2
x = -3
Answer:
4/6 and 5/6
Step-by-step explanation:
you can't divide 5 by 2, so you have to multiply 2/3 by 2 to get the LCD.
Hope this helps plz mark brainliest. and can you answer my latest question?
Answer:
96
Step-by-step explanation:
hope it helps:)