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3 years ago

Cups are sold 6 to a package and plates are sold 8 to a package. If you want to have the same number of each item for a party

Mathematics

1 answer:

beks73 [17]3 years ago

3 0

Answer:

Step-by-step explanation:

If you want to find the least amount of packages, you'll have to find what multiple they have in common.

One way to find this is 6x8, which is 48, but that isn't always the lowest.

Here are the first few multiples of six: 6, 12, 18, (24), 30, 36, 42, and 48.

Here are the first few multiples of eight: 8, 16, (24), 32, 40, 48, 56, and64

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stiks02 [169]

Answer:

a) 0.3277

b) 0.0128

Step-by-step explanation:

We are given the following information in the question:

N(2750, 560).

Mean, μ = 2750

Standard Deviation, σ = 560

We are given that the distribution of distribution of birth weights is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

a) P (less than 2500 grams)

P(x < 2500)

$P( x < 2500) = P( z < \displaystyle\frac{2500 - 2750}{560}) = P(z < -0.4464)$

Calculation the value from standard normal z table, we have,

$P(x < 2500) = P(z < -0.4464) = 0.3277 = 32.77\%$

b) P ((less than 1500 grams)

P(x < 1500)

$P( x < 1500) = P( z < \displaystyle\frac{1500 - 2750}{560}) = P(z < -2.2321)$

Calculation the value from standard normal z table, we have,

$P(x < 1500) = P(z < -2.2321) = 0.0128 = 1.28\%$

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Answer:

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