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Dahasolnce [82]
3 years ago
14

Find the probability of each event. Write each answer as a fraction in simplest form, as a decimal to the nearest hundredth, and

as a percent to the nearest whole number.
You choose a movie CD at random from a case containing 8 comedy CDs, 5 science fiction CDs, and 7 adventure CDs. THe CD is not a comedy.
Mathematics
1 answer:
Rom4ik [11]3 years ago
7 0
3/5, because 12/20 is simplified to 3/5.
Please make brainliest! ☺<span />
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What is the equation for g, which is f(x) = 2x2 + 3x − 1 reflected across the y-axis? Group of answer choices g(x) = −2x2 − 3x −
Sergio [31]

Answer:

g(x) = 2x^2 - 3x - 1

Step-by-step explanation:

Given

f(x) = 2x^2 + 3x - 1

Required

Determine g(x), if f(x) is reflected across the y axis

<em>When a function (x,y) is reflected across the y axis, the new function becomes (−x,y).</em>

<em />

In other words,

g(x) =  f(-x)

Calculating f(-x)

f(-x) = 2(-x)^2 + 3(-x) - 1

f(-x) = 2x^2 - 3x - 1

Substitute g(x) for f(-x)

g(x) = 2x^2 - 3x - 1

<em>Hence;</em>

g(x) = 2x^2 - 3x - 1

7 0
2 years ago
The American Statistician, (Vol. 53,No. 4, pp. 298–302) has an article on birth weights of babies. According to the article, the
amid [387]

Answer:

ummm idk

Step-by-step explanation:

3 0
3 years ago
A restaurant has 1,996 forks 1,745 knives and 2,116 spoons. The owner wants to have 2,000 of each utensil. How many additional f
a_sh-v [17]

2000-1996=4 forks

2000-1745=255 knives

since there are extra spoons it is reversed-->2116-2000=116 spoons

the owner needs 4 forks,255 knives and there are 116 extra spoons


4 0
3 years ago
Read 2 more answers
The length of a rectangle is 2 more than twice the width. The area of the
vlada-n [284]

Answer: w=5 , L= 2+2(5)=12

Step-by-step explanation:

L=2+2W

A= 60

LxW=60, now we will replace the L

(2+2W)(W)=60   we multiply

2w^2+2w=60

2w^2+2w-60=0  we divide by 2 the equation so we can work easier

w^2+w-30=0

find out w using the quadratic equation

we will get 2 solution,

w=5 and another solution is -6, which is not valid, as the side can not be negative

8 0
2 years ago
As a rule of thumb, the sampling distribution of the sample proportion can be approximated by a normal probability distribution
Gennadij [26K]

As a rule of thumb, the sampling distribution of the sample proportion can be approximated by a normal probability distribution whenever the sample size is large.

<h3>What is the Central limit theorem?</h3>
  • The Central limit theorem says that the normal probability distribution is used to approximate the sampling distribution of the sample proportions and sample means whenever the sample size is large.
  • Approximation of the distribution occurs when the sample size is greater than or equal to 30 and n(1 - p) ≥ 5.

Thus, as a rule of thumb, the sampling distribution of the sample proportions can be approximated by a normal probability distribution when the sample size is large and each element is selected independently from the same population.

Learn more about the central limit theorem here:

brainly.com/question/13652429

#SPJ4

4 0
2 years ago
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