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SashulF [63]
3 years ago
7

How many 1ps make £7400

Mathematics
1 answer:
AnnZ [28]3 years ago
4 0

Answer:

740000

Step-by-step explanation:

100ps make up £1, so times 7400 by 100 to get the answer

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Read 2 more answers
A different species of cockroach has weights that are approximately Normally distributed with a mean of 50 grams. After measurin
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Answer:

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Step-by-step explanation:

Given : A different species of cockroach has weights that are approximately Normally distributed with a mean of 50 grams. After measuring the weights of many of these cockroaches, a lab assistant reports that 14% of the cockroaches weigh more than 55 grams.

To find : What is the approximate standard deviation of weight for this species of cockroaches?

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We have given,

Mean \mu=50

The sample mean x=55

A lab assistant reports that 14% of the cockroaches weigh more than 55 grams.

i.e. P(X>55)=14%=0.14

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z=\frac{x-\mu}{\sigma}

Where, \sigma is standard deviation

Substitute the values,

z=\frac{x-\mu}{\sigma}

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\sigma=\frac{5}{1.08}

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The standard deviation of weight for this species of cockroaches is 4.62.

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