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yaroslaw [1]
2 years ago
12

The table gives an inequality and a number to divide both sides of the inequality by. Identify the new, true inequality.

Mathematics
2 answers:
Daniel [21]2 years ago
5 0

Answer:

A: -4 <-1

B: -2 < -1

C: 2> -5

D:2> -1

negative

Step-by-step explanation:

i did the assignment mark as brainliest?

Kamila [148]2 years ago
5 0

Answer:

The table gives an inequality and a number to divide both sides of the inequality by. Identify the new, true inequality.

A:

✔ –4 < –1

B:

✔ –2 < –1

C:

✔ 2 > –5

D:

✔ 2 > –1

The inequality symbol is only reversed when dividing by a

✔ negative

number.

Step-by-step explanation:

uwu have a nice day

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SOLVE FOR L:. ( -7.4 ) + L = 9.11
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According to a polling​ organization, 24% of adults in a large region consider themselves to be liberal. A survey asked 200 resp
Varvara68 [4.7K]

Answer:

z=\frac{0.375 -0.24}{\sqrt{\frac{0.24(1-0.24)}{200}}}=4.47  

Now we can calculate the p value based on the alternative hypothesis with this probability:

p_v =P(z>4.47)=0.00000391  

The p value is very low compared to the significance level of \alpha=0.05 then we can reject the null hypothesis and we can conclude that the true proportion of people liberal is higher than 0.24

Step-by-step explanation:

Information given

n=200 represent the random sample taken

X=75 represent the number of people Liberal

\hat p=\frac{75}{200}=0.375 estimated proportion of people liberal

p_o=0.24 is the value that we want to test

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to verify if the true proportion of adults liberal is higher than 0.24:

Null hypothesis:p \leq 0.24  

Alternative hypothesis:p > 0.24  

The statistic is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info given we got:

z=\frac{0.375 -0.24}{\sqrt{\frac{0.24(1-0.24)}{200}}}=4.47  

Now we can calculate the p value based on the alternative hypothesis with this probability:

p_v =P(z>4.47)=0.00000391  

The p value is very low compared to the significance level of \alpha=0.05 then we can reject the null hypothesis and we can conclude that the true proportion of people liberal is higher than 0.24

6 0
3 years ago
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