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DENIUS [597]
3 years ago
11

The circle graph below represents the opinions of 100 students about their favorite sports. Each student chose exactly one of th

ese four options: Basketball, Hockey, Football, and Other. The following statements are true about the graph:
The number of students who chose Basketball is three times the number of students who chose Other.

Ten more students chose Football than chose Hockey.

The percent of students who chose Basketball plus the percent of students who chose Football equal 65.

What percent of the students chose Basketball?
Mathematics
1 answer:
bagirrra123 [75]3 years ago
8 0

Answer:

Yo…what’s the graph?

Step-by-step explanation:

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In a 2008 survey, people were asked their opinions on astrology— whether it was very scientific, somewhat scientific, or not at
crimeas [40]

Answer:

95% Confidence interval:  (0.0415,0.0647)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 1430

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\hat{p} = \dfrac{x}{n} = \dfrac{76}{1430} = 0.0531

95% Confidence interval:

\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

Putting the values, we get:

0.0531\pm 1.96(\sqrt{\dfrac{0.0531(1-0.0531)}{1430}})\\\\ = 0.0531\pm 0.0116\\=(0.0415,0.0647)

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

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