Find the mean and standard deviation for each binomial random variable. Given: n = 30, π = .90 and n = 80, π = .70Calculate each Poison probability: More than 10 arrivals with λ = 8.0 and No more than 5 arrivals with λ = 4.0Find the Geometric probability: P(X = 5) when π = .50 and P(X = 3) π = .25 1. Find the mean and standard deviation for each binomial random variable.Given: n = 30, π = .90 and n = 80, π = .702. Calculate each Poison probability: More than 10 arrivals with Aand No more than 5 arrivals with A4.0=-= 8.03. Find the Geometric probability: P(X = 5) when π = .50 and P(X = 3)when T.25

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Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter12: Probability

Section12.4: Discrete Random Variables; Applications To Decision Making

Problem 2E

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Find the mean and standard deviation for each binomial random variable. Given: n = 30, π = .90 and n = 80, π = .70
Calculate each Poison probability: More than 10 arrivals with λ = 8.0 and No more than 5 arrivals with λ = 4.0
Find the Geometric probability: P(X = 5) when π = .50 and P(X = 3) π = .25

1. Find the mean and standard deviation for each binomial random variable.
Given: n = 30, π = .90 and n = 80, π = .70
2. Calculate each Poison probability: More than 10 arrivals with A
and No more than 5 arrivals with A
4.0
=
-
= 8.0
3. Find the Geometric probability: P(X = 5) when π = .50 and P(X = 3)
when T
.25

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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