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3 years ago

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Jack and Jill each improved their yards by planting hostas and shrubs. They bought their supplies from the same store. Jack spen

t $52 on 11 hostas and 5 shrubs. Jill spent $70 on 5 hostas and 10 shrubs. What is the cost of one hostas and one shrub

1 answer:

Lady bird [3.3K]3 years ago

8 0

Hostas would be $2 each and Shrubs would be $6 each

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Rashid [163]

Answer: D. (4,3)

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Repeat for the y coordinates. Add them up: 8+(-2) = 8-2 = 6. Then divide by two: 6/2 = 3. The midpoint has an y coordinate of 3.

Those two coordinates pair up to get (x,y) = (4,3) which is the midpoint of segment AB.

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Answer:

Part a: So the number of business owners giving holiday gift to their employees from survey is 12.

Part b: p-value is 0.00003

Part c: value of p is less that a we reject the null hypothesis.

Step-by-step explanation:

Part a

number of business owners=20% x n

number of business owners= 0.2x 60

number of business owners=12

Part b

H0: p=0.46

H1: p<0.46

Here

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So test statistics is given as

$z=\frac{\hat{p}-p}{\sqrt{\frac{p(1-p)}{n}}}\\z=\frac{0.20-0.46}{\sqrt{\frac{0.46(1-0.46)}{60}}}\\z=\frac{-0.26}{0.064}\\z=-4.04$

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Part c

As value of p is less that a we reject the null hypothesis.

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alexgriva [62]

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3 years ago

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Step-by-step explanation:

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