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Ksenya-84 [330]
3 years ago
6

A professor wants to know how undergraduate students at X University feel about food services on campus, in general. She obtains

a list of email addresses of all 15,000 registered undergraduates from the registrar’s office and mails a questionnaire to 300 students selected at random. Only 150 questionnaires are returned. What is the size of the population?
Mathematics
1 answer:
hammer [34]3 years ago
8 0

Answer:

15000

Step-by-step explanation:

Given that a professor wants to know how undergraduate students at X University feel about food services on campus, in general. She obtains a list of email addresses of all 15,000 registered undergraduates from the registrar’s office and mails a questionnaire to 300 students selected at random.

Only 150 questionnaires are returned.

So the sample size changed to 150. But population is the number of registered undergraduates which do not change.

Population size = 15000

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d1i1m1o1n [39]

Answer:

44 /75

is already in the simplest form. It can be written as 0.586667 in decimal form (rounded to 6 decimal places).

Steps to simplifying fractions

Find the GCD (or HCF) of numerator and denominator

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Divide both the numerator and denominator by the GCD

44 ÷ 1

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Reduced fraction:  

44

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Equivalent fractions: 88/150 132/225 220/375 308/525




4 0
3 years ago
Mark is baking a pie that has a diameter of 10 inches. he wants to cover the top of the pie with a pie crust . what is the area
AnnZ [28]

Answer:

79 square inches.

Step-by-step explanation:

Mark is baking a pie that <u>has a diameter of 10 inches</u>. he wants to cover the top of the pie with a pie crust. <u>what is the area</u> of the crust that will cover the top of the pie?

Pie = circle (shape)

What is the area of a circle 10 inches in diameter? ≈ 79 square inches. and r denotes the radius. = 78.5 square inches. ≈ 79 square inches.

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2 years ago
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Brrunno [24]

Answer:

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Step-by-step explanation:

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