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tekilochka [14]
3 years ago
9

Ronald is calculating the density of oranges in a crate. He knows the number of oranges in the crate and the volume of the crate

. Which of the following formulas can be used to calculate the density of oranges in the crate? (6 points) Density = volume of crate over number of oranges Density = number of oranges over volume of crate Volume of shelf = density over number of oranges Number of books = density over volume of crate
Mathematics
2 answers:
Andrej [43]3 years ago
7 0

Density = number of oranges over volume of crate Volume of shelf is right formula

Viefleur [7K]3 years ago
3 0

Answer:

  • B. Density = number of oranges over volume of crate

Step-by-step explanation:

<u>The density would be the number of oranges per unit of volume:</u>

  • Density = number of oranges / volume of crate

Correct choice is B

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Assume that you assign the following subjective probabilities for your final grade in your econometrics course (the standard GPA
rodikova [14]

Answer:

E(X) = 4*0.2 +3*0.5+ 2*0.2 +1*0.8+ 0*0.02= 2.78

So then the best answer for this case would be:

C. 2.78

Step-by-step explanation:

For this case we have the following probabability distribution function given:

Score         P(X)

A= 4.0       0.2

B= 3.0       0.5

C= 2.0       0.2

D= 1.0        0.08

F= 0.0       0.02

______________

Total          1.00

The expected value of a random variable X is the n-th moment about zero of a probability density function f(x) if X is continuous, or the weighted average for a discrete probability distribution, if X is discrete.

If we use the definition of expected value given by:

E(X) = \sum_{i=1}^n X_i P(X_I)

And if we replace the values that we have we got:

E(X) = 4*0.2 +3*0.5+ 2*0.2 +1*0.8+ 0*0.02= 2.78

So then the best answer for this case would be:

C. 2.78

3 0
3 years ago
A figure is translated using the rule (x, y) - (x - 3, y + 6).
Strike441 [17]

Answer:

Left 3 units and up 6 units

Step-by-step explanation:

6 0
3 years ago
A survey of 120 twelfth-graders finds that 36% were carrying more than $15 on the day of the survey. Use the margin of error to
-Dominant- [34]

Answer:

An interval that will likely include the proportion of students in the population of twelfth-graders who carry more than $15 is 960

Step-by-step explanation:

For example, Condition 1: n(.05)≤N

• The sample size (10) is less than 5% of the population (millions of musicians), so

the condition is met.

• Condition 2: np(1-p)≥10

• =

2

10

= .2

• 1 − = 10 .2 1 − .2 = 1.6 . This is less than 10 so this condition is not

met.

It would not be practical to construct the confidence interval.

3 0
3 years ago
Plss answer ill give brainliest pls pls
chubhunter [2.5K]

Answer:

56

Step-by-step explanation:

5x+80=360

5x=280

x=56

8 0
3 years ago
9 1/2 gallons equals how many quarts
Leni [432]
38 quarts because four quart equals  one gallon.
3 0
3 years ago
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