+61-413 786 465
info@mywordsolution.com
Home >> Statistics and Probability
The cumulative distribution function of random variable X is
(a) What is P[X > 1/2]?
(b) What is P[-1/2
(c) What is P[|X| ≤ 1/2]?
(d) What is the value of a such that P[X ≤ a] = 0.8?
Statistics and Probability, Statistics
Assume that from a random sample of 18 trees a researcher found that the average height of the trees was 4.3 meters with a standard deviation of 0.25 meters. Assume that the distribution of the heights of these trees is ...
Based on the 1990 census, the number of hours per day adults spend watching television is approximately normally distributed with a mean of 5 hours and a standard deviation of 1.3 hours. What proportion of the population ...
In a production process, a product is assembled by using four independent parts (A, B, C, and D). In order for the part to operate properly, each part must be free of defects. The probability that the parts are defect-fr ...
Question 1 From a random sample of 58 businesses, it is found that the mean time the owner spends on administrative issues each week is 21.69 with a standard deviation of 3.54. What is the 95% confidence interval for the ...
If we are interested in job satisfaction. Name a variable that correlates with job satisfaction but we do not have causation. Name a variable that you believe may have a casual relationship with job satisfaction. Name a ...
Should you perform a log transformation on a categorical (nominal) variable, or can you only do that for continuous variables?
Let A and B be two events where P(A) = 0.48, P(B) = 0.22, and P(BC|AC) = 0.91. What is the probability of A or B (a union b)?
Given the following partial relative frequency table Republican Democrat Independent Male 0.174 0.124 0.178 Female 0.126 0.106 ? Compute P(Republican | Male), and enter your answer with 3 decimal places. show working ple ...
Question: Suppose we wanted to conduct a survey. It is desired that we produce an interval estimate of the population mean that is ±5 from the true population mean with 99% confidence. Based on a historical planning valu ...
Two candidates face each other in an election. The Democratic candidate is supported by 58% of the population, and the Republican candidate is supported by 42%. In other words, if you randomly chose a voter and asked the ...
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