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Ierofanga [76]
3 years ago
5

According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is 0.22. A

researcher suspects that the rate is lower among U.S. adults 25 or older who have a bachelor's degree. She took a random sample of 275 U.S. adults 25 or older who have a bachelor's degree, and the proportion of smokers in her sample is 0.18. What is the null hypothesis in this case? What is the alternative hypothesis in this case?
Mathematics
1 answer:
Dmitrij [34]3 years ago
3 0

Answer: Null hypothesis :H_0:\ p=0.22

Alternative hypothesis : H_a:\ p

Step-by-step explanation:

Given claim : The proportion of U.S. adults age 25 or older who smoke : p=0.22

A researcher suspects that the rate is lower among U.S. adults 25 or older who have a bachelor's degree. i.e. p

Since the null hypothesis is a fact checked by the researcher or the experimenter that always contains a equals to sign.

∴ Null hypothesis :H_0:\ p=0.22

Alternative hypothesis : H_a:\ p

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Which equation represents a nonlinear function?
Grace [21]

Answer:

B and C

Step-by-step explanation:

Linear functions are written in the format y=mx+b

If a function has an exponent it is nonlinear

6 0
3 years ago
Jamisha is solving the equation 4 ( x − 2 ) = 34 for x . Her work is shown in the table.
shtirl [24]

Answer:

Step-by-step explanation:

4x -8 = 34

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3 0
3 years ago
Denzel has a new puppy that weighs 12 pounds. The vet says that the puppy is now at about 20% of its adult weight. What will be
olchik [2.2K]

Answer:

60 pounds

Step-by-step explanation:

To find the adult weight, multiply 12 by 5.

Since 12 pounds is 20% of the adult weight, 100% of the adult weight would be 12 times 5.

12(5)

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So, the adult weight of the puppy will be 60 pounds

7 0
3 years ago
What is the distributive property of 12*12
NikAS [45]
144.

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considering there is no given parenthesis, the answer is simply 144.
4 0
3 years ago
Write and solve an equation to find the value of x and a missing angle in each triangle below. Use the number bank to help you c
jolli1 [7]

Answer:

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you try the others

Good luck :D

5 0
2 years ago
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