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3 years ago

14

When you have 25 numbers, and Jake picks 3 random numbers and puts them back, what is the chance Bob has of picking those 3 numb

ers when he picks 6 random numbers (without putting them back)?
Please explain.

1 answer:

tensa zangetsu [6.8K]3 years ago

7 0

Answer:

4 out of 25 percent chance

Step-by-step explanation:

if you divide the number and range them out. That's all i can tell you for now. Kinda busy. sorry

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What is the answer for the second one?<br> 7% is the same as ??

ipn [44]

Answer:

0.07

Step-by-step explanation:

Just put the value of the percent

40, 90, or 7 over 100

40/100, 90/100, 7/100

This yields

0.4, 0.9, 0.07

8 0

2 years ago

Find the value of x in the following parallelogram x =

iVinArrow [24]

Answer:

$x=60\degree$

Step-by-step explanation:

Consecutive angles of a parallelogram are are supplementay.

$\implies \: x + 2x = 180 \degree \\ \\ \implies \: 3x = 180 \degree \\ \\ \implies \: x = \frac{ 180 \degree }{3} \\ \\ \implies \: x =60 \degree$

5 0

1 year ago

A high-speed train travels 480 km from Paris to Grenoble, France, at an average speed of 180 km/h. How long will it take the tra

Mekhanik [1.2K]

Speed of the train = 180km/hr
Now, distance from Grenoble to Paris = 480 km
Speed = Distance/Time

We know the speed and distance.So, from this we can find time :)
180 km/hr = 480 km /Time
Time = 480/180 = 2.66 hrs ≈ 2.7 hr
Therefore, the answer is D.2.7 hr

6 0

2 years ago

1. SAT Math scores in recent years have had means around 490 and standard deviations

tatiyna

Answer:

´The variance is 10000

Step-by-step explanation:

The variance is defined as the square of standard deviation, consequently it is as follows:

σ^2= $100^{2}$

σ^2=10000

3 0

2 years ago

The waitress and the hostess at a restaurant share the tips at the end of the shift. The average amount earned in tips between t

Hitman42 [59]

The waitress gets 45/75 = 3/5 of the tips

so waitress gets 3/5 * 350 = $210

8 0

2 years ago