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dimulka [17.4K]
3 years ago
12

In a bag there are 2 red marbles, 3 white marbles and 5 blue marbles.  Once a marble is selected, it is NOT replaced. What is th

e value of probability of selecting three blue marbles?
Mathematics
2 answers:
eimsori [14]3 years ago
5 0
5 out of 10 or 50% is the answer
liq [111]3 years ago
3 0
Is there any answer options before deciding that you have?
i will then provide an answer.
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A golf pro wants to determine if Titleist Pro V1 golf balls (1) travel farther, on average, than Callaway Chrome Soft golf balls
Greeley [361]

Complete options are;

A) Paired t-test for means

B) Paired Z-test for means

C) Z-test for proportion

D) t-test for means

E) Z-test for means

F) t-test for proportion

Answer:

B) Paired Z-test for means

Step-by-step explanation:

We are told that the distances travelled are normally distributed.

We are also trying to find out if the average distance travelled by the Titleist Pro V1 golf balls is farther than that of the Callaway Chrome Soft golf balls.

Also, the standard deviation of both cases are known.

Thus, this is where Paired Z-test for means is used.

4 0
3 years ago
Brian has reduced his cholesterol level by 20% by following a strict diet and regular exercise. If his original level was 220, w
In-s [12.5K]
220 x 20% (.20) = 44
220-44=176
3 0
3 years ago
Read 2 more answers
Help me please!! <br> 15 points!
Kisachek [45]

Answer:

Hi Hi really sorry may i get some points i need them to give it to other people cuz some people want points, ik its not the answer u wanted sorry but hope u get the answer soon!

Step-by-step explanation:

6 0
3 years ago
A pair of jeans is marked up 20% on the original price. The original price was $50. What is the sale price of the pair of jeans
Anarel [89]

Answer:

20% of $50 is $10. This means that the pair of jeans now cost $60 since it got marked up.

Step-by-step explanation:

6 0
3 years ago
the perimeter of a rectangular garden is 52 feet the length of the garden is 4 feet less than twice the width what is the width
777dan777 [17]

The width would be 10ft and the length would be 16ft

when you multiply 10 by 2 and 16 by 2 you get 20 and 32 and when those are added it gets 52

Hope that helps

If you have any questions leave a comment

7 0
3 years ago
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