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mylen [45]
2 years ago
6

The Tampa Times polled 1,457 adults in the city to determine whether they put on their shirt before they put on their pants. Of

the respondents, 48% said they put their shirt on first. Suppose 32% of all adults actually put their shirt on first. What are the mean and standard deviation of the sampling distribution
Mathematics
1 answer:
mr Goodwill [35]2 years ago
5 0

Answer:

The mean is 0.32 and the standard deviation is 0.0122.

Step-by-step explanation:

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11. All services at the salon are 25% off today. Maria decided to get a haircut that originally costs $22.
laila [671]

a)

22 * (1 - 0.25) = 16.50

b)

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8 0
3 years ago
What is the inverse of the function f(x) = x - 12?
ludmilkaskok [199]

Answer: \displaystyle f(x)^{-1}=x+12

Step-by-step explanation:

     First, we will rewrite the function in terms of <em>y</em> as in y = x - 12.

     Second, we will swap the x and y values.

y = x - 12

x = y - 12

     Third, we will solve for y. In other words, we will isolate the <em>y</em> variable and get it "by itself" on one side of the equal sign.

x = y - 12

x + 12 = y

y = x + 12

      Lastly, we will change y back into terms of the function, but the inverse.

\displaystyle f(x)^{-1}=x+12

<em>Learn more about the </em><em>inverse of a function</em><em> here:</em>

<em>brainly.com/question/940569</em>

7 0
2 years ago
Dr. Jane is studying the growing population of a species of jellyfish in a body of water. Each year, she records the population
olya-2409 [2.1K]

Answer:

983040

Step-by-step explanation:

Second Year : 15x4=60

Third Year : 60x4=240

Fourth Year : 240x4=960

Fifth Year : 960x4=3840

Sixth Year : 3840x4=15360

Seventh Year : 15360x4 = 61440

Eighth Year: 61440x4=245760

Ninth Year : 245760x4= 983040

4 0
3 years ago
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FinnZ [79.3K]
Frist we need to find the mean of both so 

1.55

2.67

then we make a number graph and see how mant place does it take to get to them from 0 67and55/by them selfs = 1.2(rounded)

1.2 is you answer

4 0
3 years ago
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