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Andrei [34K]
2 years ago
7

Before starting to play the roulette in a casino you want to look for biases that you can exploit. Youtherefore watch 100 rounds

that result in a number between 1 and 36 and you count the number ofrounds for which the result is odd. If the count exceeds 55, you decide that the roulette is not fair.Assuming that the roulette is fair, find an approximation for the probability that you will makethe wrong decision.
Mathematics
1 answer:
never [62]2 years ago
8 0

Answer:

P(n>55)=0.1357

Step-by-step explanation:

From the question we are told that:

Sample size n=100

Sample space n'=36

Generally the equation for the mean number of times odds appears is mathematically given by

\=x_o=hp

\=x_o=100*0.5

\=x_o=50

Generally the equation for standard deviation is mathematically given by

\sigma=(hp(1-p))^{1/2}\\\sigma=(50(0.5))^{1/2}

\sigma=5

Therefore probability to make wrong decision P(n>55)

P(n>55)=1-P(z55)=1-P(z55)=1-0.86

P(n>55)=0.1357

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Solve the equation, if possible.
Shalnov [3]

Answer:

no solution

Step-by-step explanation:

Given

- 3 | 6n - 2 | + 5 = 8 ( subtract 5 from both sides )

- 3 | 6n - 2 | = 3 ( divide both sides by - 3 )

| 6n - 2 | = - 1

The absolute value always returns a positive value and so

| 6n - 2 | ≠ - 1

Hence there is no solution to the equation

4 0
3 years ago
Luke’s Bakery recently spent a total of $69 on new equipment, and their average hourly operating costs are $15. Their average ho
Ann [662]

Answer:

Step-by-step explanation:

69 + 15h = 39h

69 = 39h - 15h

69 = 24h

69/24 = h

2.875 hrs <======

69 + 15(2.875) = 39(2.875)

69 + 43.125 = 112.125

$ 112.125 = $ 112.125 <====

I didn't round anything.

3 0
3 years ago
Which relationship is always correct for the angles x, y, and z of triangle ABC?
Zarrin [17]
Your answer is B. y+z=x.
7 0
3 years ago
Read 2 more answers
Question 1 (1 point)
ratelena [41]
I have no idea I’m sorry
4 0
3 years ago
Judy is a single woman, 25 years old. Her take home pay is $2314.92/month. She also earns $48 interest per month on her savings
Leni [432]

The monthly budget plan for Judy includes all of her income and expenses, the total balance is $ 2362.92 and she spends $ 1083.

<h3>What is the monthly budget?</h3>

A monthly budget is a personal spending plan that you use to track your monthly income and costs.

The given data in the problem is;

Home pay = $2314.92/month.

Interest earned = $48 / month

House rent = $825/month

EMI of student loan =  $258/month

Total earning per month = $2314.92 +  $48

Total earning per month = $ 2362.92

Amount she spends per month = $825/month + $258

Amount she spends per month = $ 1083

Hence, the total balance will be $ 2362.92 and she spend $ 1083.

To learn more about the monthly budget refer to:

brainly.com/question/570904

#SPJ1

3 0
2 years ago
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