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Write an expression for the exact probability of more than 3 errors when transmitting a block of 103 bits. What is its approximate value? Assume independence.
A student has four different pairs of shoes and never wears the same pair on two consecutive days. In how many ways can be wear shoes in 5 days?
if we have the dealer prices for CLK 320 follow a normal distribution with a mean of $45750 and a standard deviation of $2981.What percentage of Mercedes dealers are pricing a CLK 320 less than the
What is the probability that the student is both a sophomore and a history major? Given that the student selected is a history major, what is the probability that she is also a sophomore?
what is the process capability ratio and the process capability index for the following data.
Suppose the weights of the contents of cans of mixed nuts have a normal distribution with mean 32.6 ounces and standard deviation 0.4 ounce. If two packages are randomly selected, what is the proba
A population has mean 70 and standard deviation 15. Calculate mean of x bar for a random sample of size 20.
A population has mean 63 and standard deviation 17. Calculate sd(x)for a random sample of size 11.
Compute the kappa statistic and its standard error regarding reproducibility of the diagnosis of dyspnea in the clinic.
Identify the subject identification (ID) number for subjects who are closest to the cutoff for the upper 2.5 percent and 5 percent of the scores and the lower 2.5 percent and 5 percent of the scores
How many participants need to be enrolled in each group to have a 90% chance of detecting a significant difference using a two sided test with α =0.05 if compliance is perfect?
who must wait beyond the guaranteed time to complete the work. If the shop does not want to give more than 1% of its customers a free lube and oil change service, how long should the guarantee be? R
graduates have a mean starting salary of $42000 with a standard deviation of $1500. From a sample of 64 graduates, what is the probability that the mean starting salary is between $41000 and $42500?
Compute and interpret the Z-score for the $157 entertainment expense. (Reminder: the six entertainment expenses were: $157 $132 $ 109 $145 $125 $139)
Would a normal model be appropriate to describe the distribution of sale prices? What normal model has properties that are consistent with intuition of the contractor?
Employees of a local company are classified according to gender and job type. The followoing table summarizes the number of people in each category.
A city is served by two newspapers-the Tribune and the Daily News. Determine the steady-state probabilities for this transition matrix algebraically and explain what they mean.
What I mean is, based on your outcome, what might be the independent variable (remember 3 levels) and what is the dependent variable (remember, this must be a continuous variable)?
A more efficient method of analysis would leve the change in retionopathy level in its raw form without grouping the data but would take into account the ordinal nature of the change scores.
State police believe that 70% of the drivers traveling on a major interstate highway exceed the speed limit. They plan to set up a radar trap and check the speeds of 80 randomly selected cars.
two balls be drawn from an urn that contains one red ball, one green ball, and two blue balls, what is the probability of choosing 2 blue balls from the urn?
Assume that from a random sample of 100 adults survey, the amount spent of lottery tickets follows a normal distribution reveals the mean and standard deviation as stated in the worksheet titled, "A
Assume that the amount spent of lottery tickets follows a normal distribution with the mean and standard deviation stated in the worksheet titled, "All Variables". The amount spent on lottery ticket
The probability that the account selected by the Auditor has a balance which is outside of the range between $6500 and $7000 is?
Estimate parameters for the larger population? what are examples of the populations parameters we are trying to estimate for sample data?