By air, the distance from city a to city b is 3008 miles less than the distance from city c to city

Mathematics

1 answer:

ella [17]3 years ago

5 0

The distance from city C to city D is 4,814 miles.

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If population function x has mean M(x)=2 and M(x²)=8, find its standard deviation

sasho [114]

The standard deviation of the population function is 2

<h3>How to determine the standard deviation?</h3>

The given parameters are:

M(x) = 2

M(x²)=8

The standard deviation is calculated using:

$\sigma = \sqrt{M(x^2) - (M(x))^2$

Substitute known values

$\sigma = \sqrt{8 - 2^2$

Evaluate the expression

$\sigma = 2$

Hence, the standard deviation of the population function is 2

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brainly.com/question/15858152

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3 years ago

Mancini's Pizzeria sells four types of pizza crust. Last week, the owner tracked the number sold of each type, and this is what

Anvisha [2.4K]

Question:

Mancini's Pizzeria sells four types of pizza crust. Last week, the owner tracked the number sold of each type, and this is what he found.

Type of Crust Number Sold

Thin crust 312

Thick crust 245

Stuffed crust 179

Pan style 304

Based on this information, of the next 4500 pizzas he sells, how many should he expect to be thick crust? Round your answer to the nearest whole number. Do not round any intermediate calculations.

Answer:

1060 thick crusts

Step-by-step explanation:

Given

The above table

Required

Expected number of thick crust for the next 4500

For last week data, calculate the proportion of thick crust sold

$\hat p = \frac{Thick\ crust}{Total}$