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Dennis_Churaev [7]
3 years ago
10

In the game of​ roulette, when a player gives the casino $21 for a bet on the number 33​, the player has a 37/38 probability of

losing $21 and a 1/38 probability of making a net gain of $735.​(The prize is ​$756​, but the​ player's $21 bet is not​ returned, so the net gain is $735​.) If a player bets $21 that the outcome is an odd​ number, the probability of losing ​$21 is 20/38 and the probability of making a net gain of $21 is 18/38. ​(If a player bets $21 on an odd number and​ win, the player is given ​$42 that includes the​ bet, so the net gain is $21​.)
If a player bets $21 on the number 33​, what is the​ player's expected​ value?

The expected value is _______ dollars. (round to the nearest cent as needed)

________________________________________________________________________________
Mathematics
1 answer:
ohaa [14]3 years ago
4 0

Answer:

Step-by-step explanation:

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I need help with this 2
Inessa [10]

Answer:

Ned lost 16 points total.

Step-by-step explanation:

If Ned got 6 questions wrong, and each one cost him four points, that would be 24 points total. 6x4=24. But since Ned got 8 additional points on a bonus question. It equals out to a total los of 18 points.

-24 + 8= -16

4 0
3 years ago
A sample has a sample proportion of 0.3. which sample size will produce the
jasenka [17]

The sample size of 36 will produce the widest 95% confidence interval when estimating the population parameter option (b) is correct.

<h3>What are population and sample?</h3>

It is described as a collection of data with the same entity that is linked to a problem. The sample is a subset of the population, yet it is still a part of it.

We have:

A sample has a sample proportion of 0.3.

Level of confidence = 95%

At the same confidence level, the larger the sample size, the narrower the confidence interval.

As we have a 95% confidence interval the sample size should be lower.

The sample size from the option = 36 (lower value)

Thus, the sample size of 36 will produce the widest 95% confidence interval when estimating the population parameter option (b) is correct.

Learn more about the population and sample here:

brainly.com/question/9295991

#SPJ1

7 0
1 year ago
What is the Absolute value of -6
DiKsa [7]

Answer:6

Step-by-step explanation:

5 0
3 years ago
6 [ 13 - 2 ( 4 + 1 ) ] simply step by step
sp2606 [1]

Answer:

18

Step-by-step explanation:

6(13 - 2(4 + 1)) \\ 6(13 - 2 \times 5) \\ 6(13 - 10) \\ 6 \times 3 \\  = 18

4 0
3 years ago
Read 2 more answers
Find the smallest solution to the equation 2/3 X² equals 24
iren [92.7K]

Answer:

The smallest solution is -6

Step-by-step explanation:

2/3 x^2 = 24

Multiply each side by 3/2

3/2 *2/3 x^2 = 24*3/2

x^2 = 36

Take the square root of each side

sqrt(x^2) = sqrt(36)

x = ±6

The smallest solution is -6

The largest solution is 6

4 0
3 years ago
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