A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 197.4-cm and a standard deviation of 1.6-cm. For shipment, 13 steel rods are bundled together.Find the probability that the average length of a randomly selected bundle of steel rods is greater than 198.5-cm.P(M > 198.5-cm) =
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 197.4-cm and a standard deviation of 1.6-cm. For shipment, 13 steel rods are bundled together.
Find the probability that the average length of a randomly selected bundle of steel rods is greater than 198.5-cm.
P(M > 198.5-cm) =
Expert Answer
Related Statistics Q&A
Q: Working with the Concepts 15. Is there a doctor in the house? The market research firm Salary.com re...
A: a.The null and alternate hypothesis:Null hypothesis:H0: µ = 178,258There is no significant differenc...
Q: Assume that a procedure yields a binomial distribution with n=1222n=1222 trials and the probability ...
A: It is given that the random variable X follows a binomial distribution with n=1,222 and p=0.38.The m...
Q: a committe of 4 is to be selected from 6 men and 5 women. 1 particular man and 1 particular woman re...
A: From the given information, there are 6 men and 5 women. That is, the total number of persons is 11(...
Q: Using Example 8.3 from the first submitted image, solve the problem for the second submitted image.
A: It is given that margin of error (E) is 0.05 and the confidence level is 95%.Here,
Q: Find the area of the shaded region. The graph depicts the standard normal distribution of bone densi...
A: The required area is the right tailed probability of a standard normal distribution greater than –1....
Q: In 2008, the Detroit Lions set an NFL record by losing all 16 regular season games. Suppose that the...
A: It is given that n =16.Here, probability of winning an individual game is 0.10.
Q: Describe the distribution of this variable by commenting on the shape (modality (how many peaks), sy...
A: Form the given graphs1st graph is uniformly distributed2nd graph is skew distributed (right skewed d...
Q: a study of nickels showed that the standard deviation of the weight of nickels is 150 milligrams. a ...
A: It is given that confidence level is 0.95, standard deviation is 150 and margin of error E is 20.
Q: Whooping cough (pertussis) is a highly contagious bacterial infection that was a major cause of chil...
A: Solution: We are given that 80% of unvaccinated children who are exposed to whooping cough will deve...
