Iris is playing a game at the school carnival. There is a box of marbles, and each box has a white, a green, a red ,and an orang
1 answer:
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Answer:
w = 8 000
Step-by-step explanation:
5(w + 4 x ) = 6 x
5w + 20 x = 6 x
5w = 40 000
w = 8 000
Answer:
The 95% confidence interval for the true proportion of all medical students who plan to work in a rural community is (0.0525, 0.1075).
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 .
For this problem, we have that:
95% 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 95% confidence interval for the true proportion of all medical students who plan to work in a rural community is (0.0525, 0.1075).