Math Answers

Five hundred children participated in a field demonstration. Their heights averaged 110cm with a standard deviation of 6cm.How many children belong to the upper 15% of the group?

The weights (in kg) of 11 Stem B follow a normal distribution and has a mean of 50 and a standard deviation of 5. How many students have weights greater than 57?

Find the constants C0, C1, and x1 so that the quadrature formulae z0^1 f(x) dx = C0 f(0) + C1 f(x1),

Has the highest possible degree of precision

find fourier integral for the following f(x)= e-x x>0

prove ||Ax|| < ||A|| ||x||

A shipment of nine printers contains two they are defective. Find the probability that a sample of size 2, drawn from nine, will not contain a defective printer

find the root between (2,3) of x^3-2x-5=0, by using false position method

Card is drawn from an ordinary deck, Find the probability of getting a 3 or a diamond carf

a new hybrid vehicle gets 45 miles per gallon of gas , for highway driving . The tank holds 15 gallons of gas. How many highway miles can the hybrid vehicle travel on one tank of gas?

(a) Give one example of why the population the “entire college campus” is ambiguous. That is, what is at least one questionable aspect of this definition of the population?