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-Dominant- [34]
4 years ago
11

Suppose a student is totally unprepared for a five question true or false test and has to guess for every question. Getting one

question correct is independent of getting another question correct. What is the probability that she guessed all five of them correctly?
Mathematics
1 answer:
MrRa [10]4 years ago
3 0

Answer:

1/32

Step-by-step explanation:

½×½×½×½×½ = 1/32

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What is the equation in point-slope form of a line that passes through the points (7, −8) and (−4, 6) ?
nika2105 [10]

The slope-point form:

y-y_1=m(x-x_1)

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (7, -8) and (-4, 6). Substitute:

m=\dfrac{6-(-8)}{-4-7}=\dfrac{14}{-11}=-\dfrac{14}{11}\\\\y-6=-\dfrac{14}{11}(x-(-4))\\\\\boxed{y-6=-\dfrac{14}{11}(x+4)}

7 0
3 years ago
What is the difference between a population distribution and a sampling distribution
Fittoniya [83]

The difference between a population distribution and sampling a distribution

Definition: The Population Distribution is a form of probability distribution that measures the frequency with which the items or variables that make up the population are drawn or expected to be drawn for a given research study.

Defintion: The Sampling Distribution is a form of probability of a random sample out of a group of frequency which is made up of the sample of which the population has been picked out of, making it a partial research study

8 0
3 years ago
In 2011, U.S. exports of goods and services are $2,094 billion and imports of goods and services are $2,662 billion.
daser333 [38]

Answer:

$-568 billion dollars.

Step-by-step explanation:

2,094 - 2,662= -568.

Hope this helps and good luck!

7 0
3 years ago
Marshall uses 10 ounces of pineapple
garik1379 [7]

Answer:

20 ounces

Step-by-step explanation:

the ratio for 10 ounces of pineapple  juice to make 25 ounces of fruit punch is 2:5

so x:150

x = 20

3 0
3 years ago
Giselle bought a dress for $35 and three t-shirts. She used a coupon for $2.50 off each t-shirt. The total cost can be modeled b
yanalaym [24]
N-2.5 represents the cost for each shirt being subtracted by $2.50 due to the coupon
5 0
3 years ago
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