Question

For a group of four 60-year old men, the probability distribution for the number x who...

For a group of four 60-year old men, the probability distribution for the number x who live through the next year is as given in the table below. x P ( x ) (0) 0.0019 (1) 0.0285 (2) 0.1628 (3) 0.4133 (4) 0.3935 Verify that the table is indeed a probability distribution. Then find the mean of the distribution. mean = Report answer accurate to 1 decimal place.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 69 inches and standard...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 69 inches and standard deviation 1 inches. (a) What is the probability that an 18-year-old man selected at random is between 68 and 70 inches tall? (Round your answer to four decimal places.) (b) If a random sample of nineteen 18-year-old men is selected, what is the probability that the mean height x is between 68 and 70 inches? (Round your answer to four decimal places.) (c) Compare...
Weights (X) of men in a certain age group have a normal distribution with mean μ...
Weights (X) of men in a certain age group have a normal distribution with mean μ = 190 pounds and standard deviation σ = 20 pounds. Find each of the following probabilities. (Round all answers to four decimal places.) (a) P(X ≤ 220) = probability the weight of a randomly selected man is less than or equal to 220 pounds. (b) P(X ≤ 165) = probability the weight of a randomly selected man is less than or equal to 165...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 71 inches and standard...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 71 inches and standard deviation 2 inches. 1. What is the probability that an 18-year-old man selected at random is between 70 and 72 inches tall? (Round your answer to four decimal places.) ________________ 2. If a random sample of twenty-eight 18-year-old men is selected, what is the probability that the mean height x is between 70 and 72 inches? (Round your answer to four decimal places.) _________________...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 67 inches and standard...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 67 inches and standard deviation 2 inches. (a) What is the probability that an 18-year-old man selected at random is between 66 and 68 inches tall? (Round your answer to four decimal places.) (b) If a random sample of eleven 18-year-old men is selected, what is the probability that the mean height x is between 66 and 68 inches? (Round your answer to four decimal places.) (c) Compare...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 70 inches and standard...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 70 inches and standard deviation 6 inches. (a) What is the probability that an 18-year-old man selected at random is between 69 and 71 inches tall? (Round your answer to four decimal places.) (b) If a random sample of twenty 18-year-old men is selected, what is the probability that the mean height x is between 69 and 71 inches? (Round your answer to four decimal places.) (c) Compare...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 69 inches and standard...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 69 inches and standard deviation 5 inches. (a) What is the probability that an 18-year-old man selected at random is between 68 and 70 inches tall? (Round your answer to four decimal places.) (b) If a random sample of thirty 18-year-old men is selected, what is the probability that the mean height x is between 68 and 70 inches? (Round your answer to four decimal places.) (c) Compare...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 73 inches and standard...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 73 inches and standard deviation 2 inches. (a) What is the probability that an 18-year-old man selected at random is between 72 and 74 inches tall? (Round your answer to four decimal places.) (b) If a random sample of eleven 18-year-old men is selected, what is the probability that the mean height x is between 72 and 74 inches? (Round your answer to four decimal places.) (c) Compare...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 65 inches and standard...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 65 inches and standard deviation 5 inches. (a) What is the probability that an 18-year-old man selected at random is between 64 and 66 inches tall? (Round your answer to four decimal places.) (b) If a random sample of nineteen 18-year-old men is selected, what is the probability that the mean height x is between 64 and 66 inches? (Round your answer to four decimal places.) (c) Compare...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 67 inches and standard...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 67 inches and standard deviation 3 inches. (a) What is the probability that an 18-year-old man selected at random is between 66 and 68 inches tall? (Round your answer to four decimal places.) (b) If a random sample of twenty-five 18-year-old men is selected, what is the probability that the mean height x is between 66 and 68 inches? (Round your answer to four decimal places.) (c) Compare...
The random variable x is the number of people who have a college degree in a...
The random variable x is the number of people who have a college degree in a randomly selected group of four adults from a particular town. Its probability distribution is given in the table. Find the mean and variance of the random variable x. X 0 1 2 3 4 p(x) 0.13 0.34 0.25 0.16 0.12
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT