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Naddik [55]
3 years ago
5

3 more questions . geometry!!! please help

Mathematics
1 answer:
never [62]3 years ago
5 0
10 is B
9 is C
11 isB
Hope this helped :)
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Hi, can you help me answer this question please, thank you!
n200080 [17]

As your testing H0:p=0.79, then you have a two-tailed test.

The p-value at two-tailed test is given by:

\begin{gathered} p=P(Z\leq-z)+P(Z\ge z) \\ p=P(Z\leq-z)+(1-P(Z\leq z) \\ p=2P(Z\leq-z) \\ 0.79=2P(Z\leq-z) \\ P(Z\leq-z)=\frac{0.79}{2} \\ P(Z\leq-z)=0.395 \end{gathered}

Then, you need to check into the standard normal cumulative table to find at which -z you do have a probability of 0.395. Thus:

As you can see in the picture at z=-0.26 you have a P(Z<=-z)=0.3974

And at z=-0.27 you have a P(Z<=-z)=0.3936.

The average of these values is:

\frac{0.3974+0.3936}{2}=0.3955

Then, you have a probability of 0.395 at a z of:

\frac{-0.26+(-0.27)}{2}=-0.265

Then -z=-0.27, thus z=0.27

5 0
1 year ago
For a craft project, four students each chose three pieces of wire from a box.
elixir [45]
Margos is correct I believe
7 0
3 years ago
Read 2 more answers
For which quadratic function is -3 the constant term?
Rashid [163]

Answer:

A

Step-by-step explanation:

For b, the constant term is 3, not -3. B is incorrect.

For c, when the brackets are removed using foil, -3 * - 3 = 9. C is incorrect.

For d, There is no reduction, alteration or math procedure that you can use that will make the constant term anything but 9. The answer is not D.

======================

That means you are left with A which must be right or the question isn't. Turns our that A is the answer -3 * 1 = - 3

6 0
3 years ago
I need help me out plz
Papessa [141]
Y=6x

Since she uses 6 beads per inch, you would just multiply 6 by the number of inches (x)
3 0
4 years ago
The price of an item has been reduced by 85% . The original price was $35 .
omeli [17]
Total price - total price * percent = part
$35 - ($35 * 85%) = x
x = $35 - $29.75
x = $5.25
4 0
4 years ago
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