What is the value of x?<br> 1495=490+x

The mayor of a town has proposed a plan for the construction of a new community. A political study took a sample of 800 voters i

Hunter-Best [27]

Answer:

A political strategist wants to test the claim that the percentage of residents who favor construction is more than 30%, so then that represent our claim and needs to be on the alternative hypothesis.

Based on this the correct system of hypothesis are:

Null hypothesis: $p \leq 0.3$

Alternative hypothesis $p >0.3$

Step-by-step explanation:

We have the following info given from the problem:

$n= 800$ the random sample of voters selected from the town

$\hat p = 0.34$ represent the proportion of residents favored construction

$p_o = 0.30$ represent the value desired to test.

A political strategist wants to test the claim that the percentage of residents who favor construction is more than 30%, so then that represent our claim and needs to be on the alternative hypothesis.

Based on this the correct system of hypothesis are:

Null hypothesis: $p \leq 0.3$

Alternative hypothesis $p >0.3$

And in order to test this hypothesis we can use a one sample z test for a population proportion and the statistic would be given by:

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

And with the data given we have:

$z=\frac{0.34 -0.3}{\sqrt{\frac{0.3(1-0.3)}{800}}}=2.469$

7 0

3 years ago

michael's dad is 30 years of age. He is 2 years more than four times Michael's age m. Write and solve a two-step equation to det

GenaCL600 [577]

The equation used would be:
4m + 2 = 30

where the answer would be 7.

6 0

3 years ago

Read 2 more answers

There was ¼ of a carton of ice cream for Michelle and her two friends to share. If they split the ice cream evenly among them, h

Alika [10]

Answer:

5

Step-by-step explanation:

hhhhhhhhhikbvfjbcdgnkkh

3 0

3 years ago

Help is much needed!!!

icang [17]

Y - y1 = m (x + x1)

Solve for m by subtracting the y's and dividing them by the difference of the 2 x's.

-32 - 1 = -33
-8 - 3 = -11

Divide the two to get 3.

Use the first point (as instructed) and plug it into the equation.

y - (-32) = 3 (x - (-8))

y + [32] = [3] (x + [5])

The brackets are the fill in the blanks.

5 0

3 years ago

Please help, I am very confused!!!!!

KatRina [158]

Answer:

6 times 7 times 8

Step-by-step explanation:

4 0

3 years ago

What is the value of x? 1495=490+x