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Zanzabum
3 years ago
14

The average number of transactions made at an ATM in a 20 minute period is 10. Use an appropriate probability distribution to fi

nd the probability that exactly 6 transactions will be made at an ATM in the next 20 minutes. Answer to four decimal places.
Mathematics
1 answer:
krek1111 [17]3 years ago
5 0

Answer:

The probability that exactly 6 transactions will be made at an ATM in the next 20 minutes = 0.06306 = 0.0631 to 4d.p

Step-by-step explanation:

This is a Poisson distribution problem

The Poisson distribution formula is given as

P(X = x) = (e^-λ)(λˣ)/x!

where λ = mean = 10 transactions per 20 minutes

x = variable whose probability is required = 6 transactions in the next 20 minutes

P(X = 6) = (e⁻¹⁰)(10⁶)/6! = 0.06306

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3 years ago
Mr. Mayntz's math class is made up of 29 students. Some of the students are male
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Statements 2 and 3.

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The first statement is impossible since you cannot have half a person. The last statement is also incorrect, because it would imply that the total number of students in the class is -29. The second statement is correct, if you assume that x and y represent either the number of male or female students. The third statement is possible, and the numbers add up to 29. Finally, the fourth statement is impossible because it would imply that the class had negative male students. Hope this helps!

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3 years ago
PLEASE HELPP !!! it’s due today
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2 years ago
I need halp PLSSSSS I’m confused
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4 0
2 years ago
Find the area of the trapezoid with a base of 19 inches, height 12.6 inches and base 29.2 inches
aksik [14]
Minor base: b=19 inches
Height: h=12.6 inches
Major base: B=29.2 inches

Area of the trapezoid: A
A=(b+B)h/2
Replacing the values:
A=(19 inches + 29.2 inches) (12.6 inches) / 2
A=(48.2 inches) (12.6 inches) / 2
A= (607.32 inches^2 ) /2
A= 303.66 inches^2

Answer: The area of the trapezoid is 303.66 square inches
3 0
3 years ago
Read 2 more answers
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