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IRISSAK [1]
3 years ago
15

Translate the English phrase into an algebraic expression: the product of the quotient of A and the sum of B and C, and the prod

uct of D and E.
Mathematics
1 answer:
Lera25 [3.4K]3 years ago
5 0

Answer:

(\frac{A}{B+C} )(DE)

Step-by-step explanation:

You're multiplying two factors together (because at the start, it says the product of)

The first factor is the quotient of A, and the sum of B and C, so A divided by (B + C)

The second factor is whatever the product of D and E is, so you have to multiply those together first

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A marketing consultant observed 40 consecutive shoppers to estimate the average money spent by shoppers in a supermarket store.
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Answer:

0.998 is the probability that the average money spent by  a sample of 40 shoppers is within $10 of the actual population mean.

Step-by-step explanation:

We are given the following information in the question:

Standard Deviation, σ = $21.51

We are given that the distribution of average money spend is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}

We have to find:

P( average money spent is within $10 of the actual population mean.)

= P( z \leq \displaystyle\frac{10\times \sqrt{40}}{21.51}}) = P(z \leq 2.94)

Calculation the value from standard normal z table, we have,  

P(z \leq 2.94) = 0.998

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3 years ago
How to remove Dec in casio calculator?<br> 0
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Answer:

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Step-by-step explanation:

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3 years ago
A motorcycles rider is in the air for 2.5 seconds. Your camera can take a picture every 0.125 second. Your friend's camera can t
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3 years ago
What is the third quartile, Q3, of the following distribution?
GREYUIT [131]

Answer:

The third quartile is:

Q_3=29

Step-by-step explanation:

First organize the data from lowest to highest

4, 5, 10, 12, 14, 16, 18, 20, 21, 21, 22, 22, 24, 26, 29, 29, 33, 34, 43, 44

Notice that we have a quantity of n = 20 data

Use the following formula to calculate the third quartile Q_3

For a set of n data organized in the form:

x_1, x_2, x_3, ..., x_n

The third quartile is  Q_3:

Q_3=x_{\frac{3}{4}(n+1)}

With n=20

Q_3=x_{\frac{3}{4}(20+1)}

Q_3=x_{15.75}

The third quartile is between x_{15}=29 and x_{16}=29

Then

Q_3 =x_{15} + 0.75*(x_{16}- x_{15})

Q_3 =29 + 0.75*(29- 29)\\\\Q_3 =29

5 0
3 years ago
Read 2 more answers
Some help please? 20 points !!
drek231 [11]

Answer:

72m^3

Step-by-step explanation:

l x w x h

l = 2

w = 9

h = 4

2 x 9 x 4 = 72

4 0
3 years ago
Read 2 more answers
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