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3 years ago

Aidan picks apples at the rate of 11 apples every minute.How many apples would he pick in 36 minutes

Mathematics

1 answer:

Anna71 [15]3 years ago

5 0

Answer:

396 apples

Step-by-step explanation:

11 x 36 = 396

I hope this helps :)

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Step-by-step explanation:

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4 years ago

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3 years ago

Read 2 more answers

1. Verizon Wireless would like to estimate the proportion of households that use cell phones for their phone service without a l

Pavel [41]

Answer:

The 95% confidence interval for the true proportion of households which rely strictly on cell phones for their phone serviceis (0.2453, 0.3947).

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

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

A random sample of 150 households was selected and 48 relied strictly on cell phones for their service.

This means that $n = 150, \pi = \frac{48}{150} = 0.32$

95% confidence level

So $\alpha = 0.05$ , z is the value of Z that has a pvalue of $1 - \frac{0.05}{2} = 0.975$ , so $Z = 1.96$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.32 - 1.96\sqrt{\frac{0.32*0.68}{150}} = 0.2453$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.32 + 1.96\sqrt{\frac{0.32*0.68}{150}} = 0.3947$

The 95% confidence interval for the true proportion of households which rely strictly on cell phones for their phone serviceis (0.2453, 0.3947).

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3 years ago