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Describe the role and importance of listening skills in cross-cultural communication. How can these skills be learned or improved?
For a certain type of electronic component, the lifetime X (in thousands of hours) has an exponential distribution with mean u=3 What is the probability that a new component will last longer than 1000
The probability of successfully rehabilitating a convicted criminal in a penal institution is 0.40 . A random sample of 3 convicted criminals is selected from the institution. A ssume that the beha
An amateur golfer has 4 nike golf balls, 3 callaway balls, 6 Tritliest balls in his bag befor he stars his round. On the first hole he randomly selects a ball from his bag and hits the ball into a w
The weight of young adult females are normally distributed, with a mean of 130 pounds and a standard deviation of 20 pounds. used the empirical rule to answer question. what percentage of young adul
If 200 of the adults surveyed were in the age catetory of 24 and under and they provided a standard deviation of $14.50, construct a 95% confidence interval for the weekly average expenditure on fas
A local school telephone company is conducting a study of consumer preferences. some variables of interest include: type of telephone, owership of a cordless phone, lenght ( in minutes) of local cal
A standard 6-faced die is rolled twice in an experiment. Let A and B be the outcome of the 1st and 2nd rolls, respectively. Let X denote A-B.
A presidental candidate conducts a poll of likely voters in Ohio to determine their mean age answer the following describe the population being studied
Identify the types of samples- Systematic, cluster, convenience, random, stratified A sample was taken of every 49th student from a group of 496 students?
The father of a junior high school student wants to determine the most popular book among junior high students. Select the sample with the least potential bias.
A researcher examines the records of all registered voters in one city and finds that 43% are registered democrats. Is the evaluated group a population or a sample ?
Provide two values. For each pair of values, use a percentage to express their relative change or difference. Use the second given value as the reference value and express results to the nearest per
Analyze these data using parallel boxplots. Conduct the appropriate hypothesis test using 0.01 significance level. Construct a 99% confidence interval for the true difference in the mean time
Conduct the most appropriate hypothesis test using a 0.05 significance level. Discuss your conclusions about the chrome plating process based in this analysis. Construct a 95% confidence interval fo
Yashchin (1995) discusses a process for the chemical etching of silicon wafers used in integrated circuits. This process etches the layer of silicon dioxide until the layer of metal beneath is reac
Kane discusses the concentricity of an engine oil seal groove. Historically, the standard deviation for the concentricity is 0.7. The target average concentricity is 5.6. To monitor this process, he
The mean prepartion fee H&R blocked charged retail customers last year was $183 (The wall street Journal, March 7,2012.) Use this price as the population mean and assume the populations standard
Due to normality, the formula for computing z is the same for a single data value, as it is for an average of the data values for a sample group. true or false?
Characterize the sample space describing the prisoner's possible allocation options. (Intuitively, which allocation affords the prisoner the greatest chance of survival?)
The sample sizes for each are 23. He is adamant that you perform a z-test. What would you tell him? What specific explanation would you give?
Among the 2286 responsants, 1000 said that they only play hockey, what percentage of respondents saidi that they only play hockey. I got 44%. Any help you can give would be appreciated.
In six test runs, a truck operated 8, 10, 15, 7, 9, and 11miles with one gallon of gasoline. At the 95% level of confidence, is this sufficient evidence to show that the truck is operating at a mean