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3 years ago

{(0, 2), (3, 3), (8, 7), (2, 2), (3,9) }

Mathematics

1 answer:

k0ka [10]3 years ago

5 0

Hey!!!

Here's your answer:

<h3>Domain:{(0,2,3,8)}</h3><h3>Range:{(2,3,7,9)}</h3>

Hope it will help u. 

<h3>have a great day .....</h3>

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Suppose that in a random selection of 100 colored candies, 26% of them are blue. The candy company claims that the percentage

quester [9]

Answer: a) -0.2252, b) 0.8219

Step-by-step explanation:

Since we have given that

Sample size n = 100

Probability that candies are blue = p= 0.26

Probability that company claims that it is blue candy = P = 0.27

So, Q = 1-P= 1-0.27 = 0.73

So, Null hypothesis : $H_0:p=P$

Alternate hypothesis : $H_1:p\neq P$

So, the test statistic would be

$z=\dfrac{p-P}{\sqrt{\dfrac{P.Q}{n}}}\\\\z=\dfrac{0.26-0.27}{\sqrt{\dfrac{0.27\times 0.73}{100}}}\\\\z=-0.2252$

Since α = 0.05

So, critical value of z = 1.96

p-value = P(Z>Z(calculated)

Using the excel function , we get that

$P(z>0.2252)\\\\=2\times 0.410.911845\\\\=0.8219$

Hence, a) -0.2252, b) 0.8219

6 0

3 years ago

can you figure out what the next five numbers would be in this sequence of numbers? 1,6,7,12,14,19,22

prohojiy [21]

Okay its 1,6,7,12,14,19,22
1+5+1+5+2+5+3

27,31,36,41,46

4 0

4 years ago

Read 2 more answers

If <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B%20y%5E%7B2%7D%20%3D%206" id="TexFormula1" title="x^{2} + y^{2} = 6" alt="

beks73 [17]

Recall that

(x + y)² = x² + 2xy + y²

Then if x + y = √7 and x² + y² = 6, we have

(√7)² = 6 + 2xy ⇒ 2xy = 1

We also have

(x - y)² = x² - 2xy + y²

so that

(x - y)² = 6 - 1 ⇒ (x - y)² = 5

which means x - y has two possible values, √5 or -√5.

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2 years ago

My teacher taught us that we had to flip the fraction to make signs positive, but a friend of mine told me that we mustn’t do th

aivan3 [116]

Answer:

-2/-3 = 2/3 this is true

Step-by-step explanatio

3/2 = 1,5 but -2/-3 = 2/3 about 0.66666...

4 0

3 years ago

Read 2 more answers

Pls can u help me to understand this question

Crank

What's the question you need to understand

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3 years ago