3 years ago

11r + 7s written form plz i need help

Mathematics

1 answer:

charle [14.2K]3 years ago

8 0

Answer:

eleven r plus seven s

Step-by-step explanation:

thats the written form

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Assuming the amount of money college students spend on text books each semester is symmetrical with a mean of 500 and a standard

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16% percent of the students paid MORE than Jane.

The mean(μ) of money spent on textbooks is 500

The standard deviation(σ) of money spent on textbooks is 50

Money paid by Jane for her books is $550

We will use this formula,

Ζ=x-μ/σ

To find: the percentage of students paid MORE than Jane for the textbooks

$P(X > 550)$ =?

Solution:

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Learn more about mean and standard deviation here brainly.com/question/4388715

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