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ki77a [65]
4 years ago
7

Suppose you take a random sample from a normal population and you want to determine whether there is sufficient statistical evid

ence to claim that the population variance differs from a corresponding variance specified in a government contract. Which type of test is appropriate, a test of one variance or a test of two variances?
Mathematics
1 answer:
Gemiola [76]4 years ago
5 0

Answer:

A test óf one variance

Step-by-step explanation:

A test of one variance. In this case, one will be testing against the hypothesized variance that was given.

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on the stock exchange, 100 shares of pizzazz corp. stock are selling $425. how many shares can be purchased for $1000?
Natali5045456 [20]

Answer:

235.29 shares can be purchased for $1000.

Step-by-step explanation:

As

  • On the stock exchange, 100 shares of pizzazz corp. stock are selling $425

We have to determine how many shares can be purchased for $1000?

The price of 100 shares = $425

The price of 1 share = 425/100 = $4.25

Now, It is very easy to calculate the number of shares can be purchased for $1000.

All you have to do is to divide by 1000 by 4.25.

i.e.  1000/4.25 = 235.29 shares

Therefore, 235.29 shares can be purchased for $1000.

6 0
4 years ago
A factory worker submits the weekly timesheet below.
makkiz [27]
I’m pretty sure it’s 297.. if not i’m sorry
7 0
3 years ago
If one pound of cement cost r dollars, what is the price of z pounds in cents
slavikrds [6]

Answer:

100rz cents.

Step-by-step explanation:

The price of cement with respect to its weight is proportional.

So, we can write p ∝ w  

where p is the price in dollars and w is the weight of the cement in pounds.

⇒ p = kw  ............... (1) {Where, k = proportionality constant}

Given that, one pound of cement cost r dollars.

So, from equation (1), we can write

r = k(1)

⇒ k = r

So, the equation becomes p = rw .............. (2)

Now, for w = z pounds, the price will be p = rz dollars. {From equation (2)}

Therefore, the price of z pounds in cents will be 100rz cents. (Answer)

7 0
3 years ago
One diagonal of a cube has length 12. Compute the surface area of the cube.
arlik [135]

Answer:

The surface area of the cube is 288\ units^{2}

Step-by-step explanation:

we know that

The length of a diagonal of a cube is equal to

D=b\sqrt{3}

where

b is the length side of a cube

In this problem we have

D=12\ units

so

12=b\sqrt{3}

solve for b

b=\frac{12}{\sqrt{3}}\ units

Simplify

b=4\sqrt{3}\ units

<em>Find the surface area of the cube</em>

The surface area of the cube is equal to

SA=6b^{2}

substitute the value of b

SA=6(4\sqrt{3})^{2}=288\ units^{2}

7 0
3 years ago
How you could multiple 6×99 in your head?
Andrew [12]
99 is 1 less than 100.
(100-1)×6

100×6=600
-1×6=-6

600-6=<span>594

Answer: 594</span>
4 0
3 years ago
Read 2 more answers
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