Need help with geometry.

Consider the hypotheses shown below. Given that x=117

motikmotik

Solution: We are given:

$\bar{x}=117, \sigma=25, n=48, \alpha=0.01$

The hypotheses under consideration is:

$H_{0}:\mu=123$

$H_{A}:\mu\neq123$

First let's find the critical value at $\alpha=0.01$ .

Since the alternative hypothesis is two tailed, therefore we will have two critical values.

Also, since the population standard deviation is given, therefore we will use standard normal distribution to find the critical value.

Using the standard normal table, the critical values are:

$z_{critical}=-2.58,2.58$

Therefore, decision rule in terms of the critical values of the test statistic is:

Reject the null hypothesis if the calculated value of the test statistic, z is not contained within the critical values, $-2.58,2.58$ . Otherwise do not reject the null hypothesis.

3 0

2 years ago

An elephant at the zoo drinks 88 gallons of water each day. The table shows the number of days the elephant drinks water and the

gregori [183]

Answer:

To anser the question we would need to see the table that shows the number of days the elephant drinks water and the number of gallons this elephant drinks during that time.

8 0

2 years ago

Pls HELPPPP!!!!!!!!!!

murzikaleks [220]

Hey!!!

here's your answer

Area of rectangular field=L*B

 =9/10*1/2

 =9/20 square mile

So the right answer is of option A

Hope it helps...

Good luck on your assignment

6 0

3 years ago

Read 2 more answers

Determine whether each pair of actions results in independent or dependent events.

Norma-Jean [14]

Answer h:

Step-by-step explanation:

8 0

2 years ago

Help me figure this out.

sleet_krkn [62]

Let me help you,
For this question, you should know that 2 2/4 is equal to 10/4.
So we know that 10/4 is 10 times 1/4.
If Julie has 1/4-cup measuring cup, then she should use her cup 10 times to get 2 2/4 cups of raisins.
Have a good one!

5 0

3 years ago