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Liula [17]
3 years ago
13

There is a function p, wher p(X) represents the perceent of aldult in the united states who owned a x years after 2011. What doe

s p(5)= 68 represents?
Mathematics
1 answer:
masya89 [10]3 years ago
6 0

Given: p(x) represents the percent of adults in the US who owned a <em><u>widget</u></em>  

Given: x represents the number of years after 2011

Answer:

p(5)= 68 means:

        68% of adults owned a <em><u>widget</u></em>

        5 years after 2011


⇒    68% of adults owned a <em><u>widget</u></em> in 2016

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When we reject the null and the null is true, we have a made a _________ __________.
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When we reject the null and the null is true, we have a made a type I error

The null hypothesis in statistics states that there is no difference between groups or no relationship between variables. It is one of two mutually exclusive hypotheses about a population in a hypothesis test.

null hypothesis is denoted as H₀

Reject the null hypothesis when the p-value is less than or equal to your significance level. Your sample data favor the alternative hypothesis, which suggests that the effect exists in the population. When you can reject the null hypothesis, your results are statistically significant.

when the p-value is greater than your significance level, you fail to reject the null hypothesis.

Sometimes , we reject our null hypothesis even when its true

there we made a type I error in hypothesis

To know more about null hypothesis here

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1 year ago
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A positive integer from one to six is to be chosen by casting a die. Thus the elements c of the sample space C are 1, 2, 3, 4, 5
Alex_Xolod [135]

Answer with Step-by-step explanation:

We are given that six integers 1,2,3,4,5 and 6.

We are given that sample space

C={1,2,3,4,5,6}

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We have to find that P(C_1),P(C_2),P(C_1\cap C_2) \;and\; P(C_1\cup C_2)

Total number of elements=6

C_1={1,2,3,4}

Number of elements in C_1=4

P(E)=\frac{number\;of\;favorable \;cases}{Total;number \;of\;cases}

Using the formula

P(C_1)=\frac{4}{6}=\frac{2}{3}

C_2={3,4,5,6}

Number of elements in C_2=4

P(C_2)=\frac{4}{6}=\frac{2}{3}

C_1\cap C_2={3,4}

Number of elements in (C_1\cap C_2)=2

P(C_1\cap C_2)=\frac{2}{6}=\frac{1}{3}

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P(C_1\cup C_2)=\frac{6}{6}=1

4 0
3 years ago
What is the absolute value equation for this graph?
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Answer:

y = -|x +2| +4

Step-by-step explanation:

The parent function y=|x| is shifted to the left 2 units, so x is replaced by x+2. It is reflected across the x-axis, so is multiplied by -1: -|x+2|. It is shifted up 4 units, so has 4 added to it:

y = -|x+2| + 4

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