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Lubov Fominskaja [6]
2 years ago
7

What is the answer for B

Mathematics
2 answers:
Julli [10]2 years ago
8 0
Promoted an atmosphere of lawlessness and violence. ?
diamong [38]2 years ago
6 0
I can’t see anything on the thing bro
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Miss Lopez had 618 and 5400s in her checking account she deposits 50 and 2500 into her account how much will she have left in he
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Suppose 232subjects are treated with a drug that is used to treat pain and 50of them developed nausea. Use a 0.01significance le
Margarita [4]

Answer:

A

   The  correct option is B

B

   t =  0.6093

C

 p-value  =  0.27116

D

The  correct option is  D

Step-by-step explanation:

From the question we are told that

    The  sample size is  n  =  232

    The  number that developed  nausea  is X =  50

    The population proportion is  p  =  0.20  

 

The  null hypothesis is   H_o : p  =  0.20

The  alternative hypothesis is  H_a :  p > 0.20

Generally the sample proportion is mathematically represented as

     \r p  =  \frac{50}{232}

     \r p  =  0.216

Generally the test statistics is mathematically represented as

 =>           t =  \frac{\r p  -  p }{ \sqrt{ \frac{p(1- p )}{n} } }

=>           t =  \frac{ 0.216 - 0.20 }{ \sqrt{ \frac{ 0.20 (1- 0.20 )}{ 232} } }

=>        t =  0.6093

The  p-value obtained from the z-table is

       p-value  =  P(Z >  0.6093) =  0.27116

  Given that the  p-value >  \alpha  then we fail to reject the null hypothesis

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Step-by-step explanation:

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James has a balance of $1,230 on his credit card that has an APR of 24%. He currently pays the minimum monthly payment of $30.75
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Answer:

B

Step-by-step explanation:

James can eliminate $25 from Food/Clothes and $27 from Entertainment

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