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The following are the age of 8 jeepney passengers in a waiting shed: 12, 15, 18, 19, 21, 23, 35, and 40. A sample with size 7 is chosen to ride in the current jeepney. Find the standard error of the sample mean.
The average weight of 52 senior high school students is 50 kg with a standard deviation of 2.5 kg. If 25 students are randomly selected, find the mean, standard deviation, and variance of the corresponding sampling distribution of sample means.
Calculate the linear expansivity or brass or length 170m,that assumes new length of 120.05m when heated through the temperature of 100⁰c
Calculate also the area and heated expansivity
Which parameter should be removed from this line, that strives to overload the * operator? Type the parameter name only; don't list the type.
TimeHrMn TimeHrMn::operator*(TimeHrMn lhs, TimeHrMn rhs) {
Which role do the manager at Woolworths play? How do these roles differ from management level? (50)
Discuss the skills that the CEO of Woolworths should have to take the organisation to greater heights (50)
Briefly discuss how does Woolworths ensure ethical business practices? ( 30)
Which of the following sets of polynomials span P2 ?
a. {t²+1, t-1, t²+t}
B. {t²+ 2, 2t²- t+1, t + 2 , t²+t+4}
Let V = set of all 3x1 matrices.
Define
+ to be the matrix addition
⦁ to be the matrix multiplication by a number
We know that V is a vector space. If W [a, b, 1] , a, b element of R then W is a subspace of V.
Let V be the set of all positive real numbers; define + by u+v = uv (+ is ordinary multiplication) and define • by c•v = . Prove that V is a vector space.
#340153 on Dec 2023