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2 years ago

(PLEASE HELP)

Mathematics

1 answer:

Alisiya [41]2 years ago

5 0

Answer: d
The two smallest sides have to add up to the largest one

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11. David's net worth is $45,765.78 and his assets have a value of

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What is the given variables of (ab²) ÷ a + 24 – b; a = -2 b= 3 ?

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-18/19

Step-by-step explanation:

(ab²) / a + 24 - b

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The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00. Assu

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Answer: 0.0170

Step-by-step explanation:

Given : The mean amount purchased by a typical customer at Churchill’s Grocery Store is $23.50, with a standard deviation of $5.00.

i.e. $\mu=23.50$

$\sigma=5$

We assume the distribution of amounts purchased follows the normal distribution.

Sample size : n=50

Let $\overline{x}$ be the sample mean.

Formula : $z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

Then, the probability that the sample mean is at least $25.00 will be :-

$P(\overline{x}\geq\25.00)=P(\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\geq\dfrac{25-23.50}{\dfrac{5}{\sqrt{50}}})\\\\=P(z\geq2.12)\\\\=1-P(z$

Hence, the likelihood the sample mean is at least $25.00= 0.0170

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2 years ago

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Answer:

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

so b. 15

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