Section 1. Fill out and use the following table to calculate the mean lifespan of this population Age Range 0-10 11-20 21-30 31-40 41-50 51-60 61-70 Mean Lifespan Age Midpoint 5 15 25 35 45 55 65 dx 30 25 20 15 10 5 1 lifespan

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Q: 59.1 60.2 68 46.2 79.8 56 58.9 72.2 79

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A: Answer: From the given data, X is a normal random variable with Mean (μ) = 142 Standard deviation…

Q: The brain volumes (cm3​) of 20 brains have a mean of 1127.3 cm3 and a standard deviation of 129.7…

A: The mean brain volumes of 20 brains is x̄ = 1127.3 cm3.

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A: GivenP(A)=13P(B)=12P(A ∪ B)=23

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A: Round to Two decimal places : 371.53

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A: The only discrete probability distribution that follows  lack of memory property is Discrete…

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Q: Refer to Exhibit 12-15. If gender and social media preference is independent then the expected…

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Q: Let X be a normal random variable with mean 48 and standard deviation 3.8.  Suppose that x = a has a…

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Q: Determine the area under the standard normal curve that lies between (a) Z= -1.73 and Z=1.73, (b) Z=…

A: z be a standard normal distribution with mean=0 and standard deviation=1 i.e. z~ N0,1

Q: Leisure Time Exercise Only 21% of a country's adults get enough leisure time exercise to achieve…

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Q: 3. We know that heights of U.S. adult females is approximately normal with a mean of about 64 inches…

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Q: In a series of independent trials with constant probability of success, the random variable X which…

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Q: A particular part that is used as an injection device is sold in lots of 10. The producer deems a…

A: Hint:  The Hypergeometric Distribution describes the probability of success of the random sample,…