+61-413 786 465
info@mywordsolution.com
Home >> Statistics and Probability
An engineer believes it takes an average of 150 man-hours to assemble a portion of an automobile. As a check, the time to assemble 10 such parts was ascertained yielding X¯ = 146 and s = 2.5. Test the engineer's belief with α = .05.
Statistics and Probability, Statistics
Describe in detail each of four risk factors of holding a domestic bond. Your summary should convince the reader that you fully understand each risk factor.
Suppose X is a normal random variable with mean μ = 54 and standard deviation σ =8.? Compute P(X > 42). (Round to four decimal places.)
Ralph and Gina attend differed schools, but each have a GPA of 3.2 The GPA's at each score follow a normal distribution. Ralph's school has a mean GPA of 2.7 and a standard deviation of .25. Gina's school has a mean of 3 ...
Jane must get at least three out of four problems on the exam correct to get an A. She has been able to do 60% of the problems on old exams, so she assumes that the probability she gets a given problem correct is 0.6. Sh ...
Describe the steps you took. There are 652 males, 396 say they have been to dentist in past year. Give a confidence interval for 90% of the population proportion .
You are in charge of numbering the homes in a new subdivision. If we were to ue 0 through 9 as our number to use and we want to have 3 digit house numbers, how many unique homes numbers would we potentially be able to pr ...
Let x be a random variable that represents the pH of arterial plasma (i.e., acidity of the blood). For healthy adults, the mean of the x distribution is μ = 7.4.† A new drug for arthritis has been developed. Howeve ...
Assume that the fisherman can use between 5 and 8 lines. With 5 lines, the probability of a catch on each line is 0.71. With 6 this probability is 0.63, with 7 it is 0.51, and with 8 the probability is 0.43. 1) How many ...
Question: A number of public policies related to alcohol consumption have been instituted over the past couple of decades in an attempt to limit the number of alcohol-related traffic fatalities. These policies include: • ...
Fifty-seven percent of employees make judgements about their co-workers based on the cleanliness of their desk. You randomly select 8 employees and ask them if they judge co-workers based on this criterion. The random va ...
Start excelling in your Courses, Get help with Assignment Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.
Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As