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notka56 [123]
3 years ago
8

Which number makes the equation true?

Mathematics
2 answers:
Marina CMI [18]3 years ago
8 0
5
Because 5 divided by thirty equals one sixth
Crazy boy [7]3 years ago
3 0
A. 5

5*6=30, so 5/30= 1/6th
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Select each of the following experiments that are binomial experiments:
Vinvika [58]

Answer:

a) No.

b) Yes.

c) Yes.

Step-by-step explanation:

a) No.

As being without replacement, the probabilities of each color in each draw change depending on the previous draws.

This is best modeled by an hypergeometric distribution.

b) Yes.

As being with replacement, the probabilities for each color is constant.

Also, there are only two colors, so the "success", with probability p, can be associated with the color red, and the "failure", with probability (1-p), with the color blue, for example.

(With more than two colors, it should be "red" and "not red", allowing only two possibilities).

c) Yes.

The answer is binary (Yes or No) and the probabilities are constant, so it can be represented as a binomial experiment.

8 0
3 years ago
(7c^3-5c^2+2c)-(3c^3+2c^2-2c)
Nadusha1986 [10]

Answer: =4c^3-7c^2+4c

Step-by-step explanation:

8 0
3 years ago
The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces.
Wittaler [7]

<span>First we calculate z using the formula:

z = (x - μ)/σ</span>

Where:

x = our variable, 10

μ = mean, 8

σ = standard dev, 2

Substituting known values:<span>
z = (10 - 8)/2
z = 2/2
z = 1

Using the tables of the normal distribution to find the p-value with z = 1

p = 0.8413

Since we want "greater than 10”, we need to subtract the probability from 1 therefore

p* = 1 - 0.8413 = <span>0.1587</span></span>

6 0
3 years ago
Math Topic: Scale Drawings. What is the scale factor from polygon ABCD to polygon PQRS? Write your answer in fraction form. ( Lo
MariettaO [177]

Answer:

1.5 is the asnwer because when you multiply first image by 1.5 you get the second.

3 0
3 years ago
The triangle has an area of 7 7/8 cm2 and a base of 5 1/4 cm. What is the height?
alexira [117]
The height is 2.8, I’m not really good at showing my work on this app
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3 years ago
Read 2 more answers
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