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Sergeeva-Olga [200]
3 years ago
9

What number is composed of a whole number and a fraction

Mathematics
1 answer:
Marta_Voda [28]3 years ago
6 0

Answer:

When an expression consists of a whole number and a proper fraction, we define it as a mixed number.

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Goofy's fast food center wishes to estimate the proportion of people in its city that will purchase its products. Suppose the tr
serg [7]

The probability that the sample proportion will be less than 0.04 is <u>0.0188 or 1.88%</u>.

The true proportion given to us (p) = 0.07.

The sample size is given to us (n) = 313.

The standard deviation can be calculated as (s) = √[{p(1 - p)}/n] = √[{0.07(1 - 0.07)}/313] = √{0.07*0.93/313} = √0.000207987 = 0.0144217.

The mean (μ) = p = 0.07.

Since np = 12.52 and n(1 - p) = 291.09 are both greater than 5, the sample is normally distributed.

We are asked the probability that the sample proportion will be less than 0.04.

Using normal distribution, this can be shown as:

P(X < 0.04),

= P(Z < {(0.04-0.07)/0.0144217}) {Using the formula Z = (x - μ)/s},

= P(Z < -2.0802)

= 0.0188 or 1.88% {From table}.

Thus, the probability that the sample proportion will be less than 0.04 is <u>0.0188 or 1.88%</u>.

Learn more about the probability of sampling distributions at

brainly.com/question/15520013

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2 years ago
Pleaseeee helpp answer correctly !!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!
Pavel [41]

Answer:

x = 87º

Step-by-step explanation:

opposing angles in quadrilaterals are equal, so x = 87º

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3 years ago
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Igoryamba
There are infinite numbers

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3 years ago
Write two different pairs of decimals whose sums are 8.69. One pair should involve regrouping
chubhunter [2.5K]
One pair is 4.345+4.345 (which is the pair that does not involve grouping)
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21 - 3 + 8 or -14 + 31 - 6
sergejj [24]

Answer:21-3+8=26

-14+31-6=11

Step-by-step explanation:

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