Independent and normal with mean
If X1 and X2 are independent and normal with mean 500 and variance 121, what are the mean and variance of
(a) 2X1
(b) X1 + X2
(c) 9X1
(d) 4X1 - 12
Expected delivery within 24 Hours
Express the repeating decimal 1.62 as a quotient of integers. If possible, reduce to lowest terms.
Find out a 99% confidence interval for the mean of µ of a normal population with standard deviation 30 using the sample: { 16.1, 19.2, 16.8, 16.2, 22.4, and 11.3}
Determine a 97% confidence interval for the mean µ of a normal population with unknown variance using the sample: { 300, 200, 400, 500, and 150}.
Determine a 90% confidence interval for the variance (lower case sigma)^2 of a normal population using the sample: {45, 40, 43, 39, 36, 39, and 29}
Let H be a subgroup of group G. Let R = {Hg:g in G} be the collection of all right cosets of H in G and L = {gH: g in G} be the collection of all left cosets of H in G. Define phi: R --> L by phi(Hg) = g^-1H.
In the Melanie's Styling Salon, the time to complete simple haircut is normally distributed with mean of 25 minutes and a standard deviation of 4 minutes. What percent of customers require less than 32 minutes for a simple haircut?
If 12 cattle eat up 3 1/3 acres of meadow in 4 weeks and 21 cattle eat up 10 acres of exactly similar meadow in 9 weeks, how many cattle shall eat up 36 acres in 18 weeks?
For this problem, suggest the following two functions. Let M be the function which gives a person's month of birth (e.g., M(Grossman) = April). Let L be the function whose domain is set of months, and whose rule is L(x) = the number of days in x i
1930759
Questions Asked
3,689
Active Tutors
1454767
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
A spider takes advantage of the shape of tree limbs to build a web. The tree is neither negatively nor positively impacted.
A certain animal lives in the shallow ocean water, just off the coast. It spends its whole time drifting along in the current, where it can use
The transgenic camelina plants offer several advantages: camelina has a relatively short life cycle and good resilience to abiotic stress,
Question: The plasma membrane evagination and subsequent bulk movement of of substances out of the cell is called?
The knowledge gained from studying transgenic Strongyloides species can be pivotal in finding novel targets for anti-parasitic treatments.
There are many advantages to having a transgenic Strongyloides species. This is a great model organism because it is very easy to culture
Describe the five common steps of a signal-transduction cascade and explain how each contributes to the specificity and amplification of cellular responses