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3 years ago

Imagine math problem! DUE TODAY!!!

Mathematics

1 answer:

cricket20 [7]3 years ago

4 0

Answer: (b)

Step-by-step explanation:

Given

Amelia ordered 2 large pizzas for the party

After the party, half of one pizza and three-eight of pizza is left from other pizza

Sum of the remaining pizzas

$\Rightarrow \dfrac{1}{2}+\dfrac{3}{8}\\\\\Rightarrow \dfrac{4}{8}+\dfrac{3}{8}\\\\\Rightarrow \dfrac{4+3}{8}=\dfrac{7}{8}$

seven-eight is a fraction which is less than 1

Hence, less than 1 pizza is left

So, option (b) is correct.

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3 years ago

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4 years ago

What is the value of P?

True [87]

Answer:

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3 years ago

Read 2 more answers

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melisa1 [442]

Answer:

For the 99th percentile, we have X = 206 seconds.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 138.5, \sigma = 29$