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stepladder [879]
3 years ago
14

A bakery sold 73 bagels in the first hour of business. If the bakery had 246 bagels to start with, how many bagels were left aft

er the first hour?
Mathematics
2 answers:
tatiyna3 years ago
6 0

Answer:  173 bagels are left after the first hour.

Step-by-step explanation:  if they had 246 bagels to start with, and they sold 73 in the first hour. 246-73=173.

DENIUS [597]3 years ago
3 0

Answer:

173

Step-by-step explanation:

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Exercise 6.13 presents the results of a poll evaluating support for the health care public option in 2009, reporting that 52% of
sleet_krkn [62]

Answer:

A sample size of 6755 or higher would be appropriate.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

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M = z\sqrt{\frac{\pi(1-\pi)}{n}}

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So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

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This means that p = 0.52

If we wanted to estimate this number to within 1% with 90% confidence, what would be an appropriate sample size?

Sample size of size n or higher when M = 0.01. So

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0.01 = 1.645\sqrt{\frac{0.52*0.48}{n}}

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3 years ago
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dimulka [17.4K]

Answer:

yes 80 is a mulitple of 10

Step-by-step

multiples

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10x2=20

10x3=30

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10x7=70

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