3 years ago

Brad wants to buy flowers for his friend

Mathematics

1 answer:

Crazy boy [7]3 years ago

5 0

Brad will buy 12 Daisy’s and 9 roses
Bc 12 daisy’s=$12 and 9 roses=$27
And $12+$27=$39

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A stack of 20 cards is numbered 1 through 20. One card is selected at random. What is the probability that the card is less than

kvasek [131]

Answer:

40%

Step-by-step explanation:

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3 years ago

I’ve been on vacation and am struggling with this chapter. I came up with a word problem but am not sure how to solve it. Thank

galina1969 [7]

Answer:

3 1/3

Step-by-step explanation:

So first turn 1 1/2 into a improper fraction-- which is 3/2

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2 years ago

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earnstyle [38]

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3 years ago

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Suppose a random sample of n = 16 observations is selected from a population that is normally distributed with mean equal to 101

stepan [7]

Answer:

101, 3, 0.025, 0.7416

Step-by-step explanation:

Given that a random sample of n = 16 observations is selected from a population that is normally distributed with mean equal to 101 and standard deviation equal to 12.

As per central limit theorem we have

a) Mean of sample mean = $E(\bar x) =\\ \mu =101$

Std deviation of sample mean = $\frac{\sigma}{\sqrt{n} } =3$

Mean = 101

Std dev =3.00

b) $P(\bar x >107) = P(Z>\frac{107-101}{3} )\\= P(Z>2) = 0.025$

c) the probability that the sample mean deviates from the population mean μ = 101 by no more than 4.

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3 years ago

find the coordinates of the midpoint of a segment with the given endpoints 3.)P(-12 -9) Q(2,10) help plz

BARSIC [14]

Answer:

(-5, 0.5)

Step-by-step explanation:

-12+2/2= -5

-9+10/2= 0.5

(-5, 0.5)

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3 years ago