Question

Suppose that the weight, X, in pounds, of a 40 year old man is a normal...

Suppose that the weight, X, in pounds, of a 40 year old man is a normal random variable with mean 147 and standard deviation 16. Calculate P(less than or equal X less than or equal 153)

Homework Answers

Answer #1

thank you.

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
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...
1. The mean weight of all 21-year-old women 132 pounds. A random sample of 35 vegetarian...
1. The mean weight of all 21-year-old women 132 pounds. A random sample of 35 vegetarian women who are 21 years old showed a sample mean of 127 pounds with a standard deviation of 15 pounds. The women's measurements were independent of each other. Determine whether the mean weight for 21-year old vegetarian women is significantly less than 132, using a significance level of 5%
Babies: A sample of 25 one-year-old girls had a mean weight of 24.1 pounds with a...
Babies: A sample of 25 one-year-old girls had a mean weight of 24.1 pounds with a standard deviation of 4.3 pounds. Assume that the population of weights is normally distributed. A pediatrician claims that the standard deviation of the weights of one-year-old girls is less than 4 pounds. Do the data provide convincing evidence that the pediatrician's claim is true? Use the 0.01 level of significance.
Let x be a normal random variable with mean equal to 40 and standard deviation equal...
Let x be a normal random variable with mean equal to 40 and standard deviation equal to 5 a) P(x>55)=? b) P(x<49)=?
Suppose that the weight of male babies less than 2 months old is normally distributed with...
Suppose that the weight of male babies less than 2 months old is normally distributed with mean 11.5 pounds and standard deviation 2.7 pounds. A sample of 36 babies is selected. What is the probability that the average weight of the sample is less than 11.13 pounds?
Assume that the population mean weight for ten year old boys is μ = 88 pounds...
Assume that the population mean weight for ten year old boys is μ = 88 pounds with population standard deviation σ = 2.2 pounds. Also assume that the data is normally distributed. What proportion of ten year old boys weigh more than 91 pounds?
the mean weight for 6 year old american boys is about 50 with a standard deviation...
the mean weight for 6 year old american boys is about 50 with a standard deviation of 8 pounds. for 13 year old boys mean is about 95 pounds with a standard deviation of 15 pounds. assume the weights are distributed nornally for thjs problem. what is the probability that two random 6 year old boys will together weigh more than a random thirteen year ild boy?
If X is a normal random variable that has a mean of µ = 20 and...
If X is a normal random variable that has a mean of µ = 20 and a standard deviation σ = 2, (a) the standardized value of X=16 is _________. (b) What is the probability that X is less than or equal to 16? __________ (c) What is the probability that X is greater than 16? __________ (d) What is the probability that X is equal to 16?________
Assume that the men's weight is normally distributed with an average of 172 pounds and a...
Assume that the men's weight is normally distributed with an average of 172 pounds and a standard deviation of 29 pounds. to. Define a variable b. Associate the random variable with a distribution and its parameters c. If a man is selected at random, what is the probability that his weight is greater than 175 pounds? (minitab) D. If a sample of 20 men is chosen at random. What is the probability that the average weight is greater than 175...
7.) If the mean weight of an adult female between the ages of 20-40 years old...
7.) If the mean weight of an adult female between the ages of 20-40 years old is known to be 152.5 lbs, is there evidence at the .10 level that the female college students weigh less? (This is the only information I was given to answer this question) 145, 132, 141, 126, 118, 126, 145, 164, 171, 147, 153, 167, 124, 162, 182, 119 Ho: Ha: z= p-value: Conclusion:
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT