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Alekssandra [29.7K]
3 years ago
15

In a casino, the chance of winning a certain game is 14.5%. If you play the game 20 times, what’s your best estimate for the num

ber of times you would win? Round off your answer to the nearest whole number.
Mathematics
1 answer:
EleoNora [17]3 years ago
7 0
Expected number of wins=number of plays times the probability of winning

w=20(14.5/100)

w=20(0.145)

w=2.9

w≈3 

So you would expect to win 3 times out of 20 attempts (rounded to the nearest whole number of wins)
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10t+<img src="https://tex.z-dn.net/?f=%5Cgeq" id="TexFormula1" title="\geq" alt="\geq" align="absmiddle" class="latex-formula">1
Umnica [9.8K]

Answer:

The answer is t\geq 20.

Step-by-step explanation:

To solve the inequality, start by solving for the variable t.

To solve for the variable t, subtract 3.5t from both sides. The inequality will look like 6.5t\geq 130.

Then, divide both sides by 6.5 in order to get the variable t by itself. The inequality answer will look like t\geq  20.

3 0
2 years ago
Please Help
Anna35 [415]

Answer:

1.5 Oz because it's just a random guess hopefully I'm right

I think

7 0
2 years ago
PLEASE HELPPPP MEEEEEE!!!!
wlad13 [49]
Answer:

It’s B

Step-by-step explanation:


8 0
2 years ago
A vehicle is moving at a constant speed travels 45 miles in 3/4 hour. The driver thinks he will be late to a meeting that is sti
Ivahew [28]

The unit rate is 60 miles per hour and the driver will reach before time with the calculated constant speed

Step-by-step explanation:

Given

Distance = d = 45 miles

Time = t = 3/4 hour

The unit rate is defined as the distance per unit time. In this case, the unit rate can also be called speed.

So,

s = \frac{d}{t}\\s = \frac{45}{\frac{3}{4}}\\s = 45 * \frac{4}{3}\\s = 60\ miles\ per\ hour

Using this unit rate we can see if the car can travel 65 miles in 1.25 hours or not

Given

Distance = d1 = 65 miles

Speed = s = 60 miles per hour

Putting the values in the formula for speed

s = \frac{d_1}{t_1}\\60 = \frac{65}{t_1}\\t_1 = \frac{65}{60}\\t_1 = 1.08\ hours

As we can see that 1.08 is less than 1.25 so the driver will reach the meeting before time if he drives on a constant speed of 60 miles per hour

Hence,

The unit rate is 60 miles per hour and the driver will reach before time with the calculated constant speed

Keywords: Speed, unit rate

Learn more about speed at:

  • brainly.com/question/9801816
  • brainly.com/question/96882

#LearnwithBrainly

7 0
3 years ago
3 sisters are each 2 years apart in age. the youngest sister is emily, the middle sister is samantha and the oldest sister is la
Bad White [126]
Emily = x
Samantha = x + 2
Lauren = x + 4

x + (x + 2) + (x + 4) = 42

x = 12

Thus: 

Emily = 12
Samantha = 14
Lauren = 16
7 0
2 years ago
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