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MatroZZZ [7]
3 years ago
6

At the grocery store checkout, you watch the register as it rings up your purchases and coupons. The prices are as follows: $2.9

5, $1.19, $4.61, $1.74, - $0.75 (coupon). The register gives your total bill as $9.74. Round each price and coupon to the nearest dollar and estimate the total bill. *
Mathematics
2 answers:
ella [17]3 years ago
4 0

| 2.95 = 3 | 1.19 = 1 | 4.61 = 5 | 1.74 = 2 | 0.75 = 1 |

So the total bill would be -

3 + 1 + 5 + 2 - 1 = 10

$10 total

otez555 [7]3 years ago
3 0

2.95 rounds up to 3.00

1.19 rounds up to 1.00

4.61 rounds up to 5.00

1.74 rounds up to 2.00

and 0.75 rounds up to 1.00

That is the estimate of those prices and coupon,

So I am estimating it to be $12.00

Hoped this helped you (: Good Luck!

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Answer:  b) 84

Step-by-step explanation:

Let p be the prior estimate of the required proportion.

As per given , we have

p =0.5   (The probability of getting heads on a fair coin is 0.5)

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Critical z-value (using z-value table ) : z_{\alpha/2}=1.645

Confidence interval width : w= 0.18

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Formula to find the sample size ( if prior estimate of proportion is known.):-

n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2

Substitute the values , we get

n=0.5(1-0.5)(\dfrac{1.645}{0.09})^2

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<h3>How to find the heights of the trees?</h3>

The height of the tree can be found as follows:

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learn more on height here: brainly.com/question/16959984

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