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3 years ago

What is a fraction? And how do they work?

Mathematics

2 answers:

larisa86 [58]3 years ago

3 0

Answer:

Step-by-step explanation:

A fraction represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters. A fraction will include two numbers, one above the other. The first number, found above the line, is the numerator. The second number, located below the line, is the denominator. A denominator indicates the total number of equal parts into which something is divided

Tanzania [10]3 years ago

3 0

A number expressed as a quotient, in which a numerator is divided by a denominator.

Fraction work to represent a segment of a whole number.

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A bank sampled its customers to determine the proportion of customers who use their debit card at least once each month. A sampl

Zinaida [17]

Answer:

(0.084,0.396)

Step-by-step explanation:

The 99% confidence interval for the proportion of customers who use debit card monthly can be constructed as

$p-z_{\frac{\alpha }{2}} \sqrt{\frac{pq}{n} }$

$p=\frac{x}{n}$

$p=\frac{12}{50}$

$p=0.24$

$q=1-p=1-0.24=0.76$

$\frac{\alpha }{2} =\frac{\0.01 }{2}=0.005$

$p-z_{\frac{\alpha }{2}} \sqrt{\frac{pq}{n} }$

$0.24-z_{0.005} \sqrt{\frac{0.24*0.76}{50} }$

$0.24-2.58(0.0604)$

$0.24-0.155832$

By rounding to three decimal places we get,

$0.084$

The 99% confidence interval for the proportion of customers who use debit card monthly is (0.084,0.396).

3 0

3 years ago

Sue bought a pair of jeans and a shirt for $55.75. If the jeans cost $25.25, how much did she pay for the shirt?

givi [52]

Hey there!

In order to find the amount that Sue paid for the shirt, all you have to do is subtract the price of the jeans from the total amount that she paid for the jeans and the shirt.

55.75 – 25.25 = 30.5

Sue paid $30.50 for the shirt, making your answer A.

Hope this helped you out! :-)

6 0

3 years ago

I’ll mark you brainlist I’ll mark you brainlist

tatyana61 [14]

Answer:

neither

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Plz help me! The perimeter of the triangle shown is 34 yd.

brilliants [131]