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givi [52]
3 years ago
10

Correctly classify each relation.

Mathematics
2 answers:
Stella [2.4K]3 years ago
7 0
Line 2and 3 are the functions
vazorg [7]3 years ago
4 0

Answer:

the first one is a straight line

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Test the claim that the proportion of men who own cats is smaller than the proportion of women who own cats at the .10 significa
nata0808 [166]

Answer:

 The  test statistics is t  =   -1.40

  The critical value is  Z_{\alpha }   = 2.33

   The null hypothesis is rejected

Step-by-step explanation:

From the question we are told that

   The sample size  for men is  n_1 =  80

    The sample  proportion of men that own a cat is  \r p _M  =  0.40

     The  sample  size for  women is n_2  =  80

     The sample  proportion of women that own a cat is  \r p_F  =  0.51

     The level of significance is  \alpha  =  0.10

   The  null hypothesis is  H_o  :  \r p _M   =  \ r P_F

    The alternative hypothesis is  H_a  :  \r p _M  <  \r p_F

Generally the test statistic is mathematically represented as

        t  =    \frac{(\r p_M - \r p_F)}{\sqrt{\frac{(p_M*(1-p_M)}{n_1 } }  +  \frac{p_F*(1-pF)}{n_2 } }

=>  t  =    \frac{(0.40  - 0.51)}{\sqrt{\frac{(0.40 *(1-0.41)}{80} }  +  \frac{0.51*(1-0.51)}{80 } }

=>   t  =   -1.40

The critical value of  \alpha  from the normal distribution table is

     Z_{\alpha }   = 2.33

The p-value  is obtained from the z-table ,the value is  

    p-value =  P( Z < -1.40) =   0.080757

=>    p-value = 0.080757

Given that the p-value  <  \alpha then we reject the null hypothesis

7 0
3 years ago
1. Which point on the number line
ss7ja [257]

Answer:

d) Point D

Step-by-step explanation:

\sqrt{62}  = 7.87400787

8 0
3 years ago
Heeeeeeeellllllpppppp quickly​
Nimfa-mama [501]

Answer:

A

Step-by-step explanation:

5 0
3 years ago
What is the area of a circle that has a 5 inch diameter
jekas [21]
19.63 is the answer to this :)

3 0
3 years ago
1 point
postnew [5]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

(3 \times 25 )+ 60 = 75 + 60 =

135

Thus Lisa spent 135 $ .

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

3 0
3 years ago
Read 2 more answers
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