4. A farmer has a flock of turkeys with weights that are normally distributed with a mean of 15.3 pounds and a standard deviation of 2.3 pounds. If one turkey is selected at random, what is the probability that its weight is less than 17.0 pounds?

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A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

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A: Given that  μ= 70 , σ= 5.1 , n= 50 Formula for Z-score Z=(x̄-μ)/(σ/√n)

Q: If X is a normally distributed random variable with a mean of 80 and a standard deviation of 12,…

A: Given that.   X~N( μ , ?^2 )   μ=80     , ?=12   Z-score =( x - μ )/?

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A:

Q: 2.) A ski gondola in Vail, Colorado that carries skiers up a mountain bears a plaque stating that…

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A: Given, μ=70σ=5.1n=50

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Q: 1. In a study of the life expectancy of 500 people in a certain geographic region, the mean age at…

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Q: 1) The time until recharge for a battery in a smartphone is normally distributed with a mean of 250…

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A: Mean = 11.9 Standard deviation = 1.3

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A: From the provided information, Mean (µ) = 7 Standard deviation (σ) = 4 Sample size (n) = 6

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Q: Suppose that the average outstanding credit card balance for young professionals is 11,200 with a…

A: GIVEN DATA, μ=11200σ=2600If n=150P(X<12300)=?

Q: 1. A soft drink machine is regulated to that is discharges an average of 150 mL per cup. If the…

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Q: 3. The heights of the students in a certain school are normally distributed with an average height…

A: Hi there! Thanks for posting the question, since there are three different questions we will solve…