Find the 3rd term of the expansion

x +y to the seventh power

Evaluate the combination or binomial function in the completion

48 factorial over 37 factorial. The answer should equal to 22595200368.

Write the 3rd term of the expression

(x+ y) to the seventh power. Need the the 3rd term of the expression.

Find the critical value of the test and apply decision rule

As a part of a class project, your statistics instructor asks you to weigh a sample of 100 items from a shipment of 500. You are testing the null hypothesis that the mean is greater or equal to 10 lbs. You are given that the standard diviation is 0.05 lb. Accepting H0 is the same as accepting the shipment. A) using a signific ...continues

Crytic math

I need them by 20th Jan Cryptic Math p Q R S T U V W X 1. Each letter stands for one of the numbers 1 - 9. 2. S + Q = V and S is smaller than Q. 3. P = R + U. 4. In one of the diagonals, all 3 numbers are perfect squares. 5. In one of the two diagonals, (P, T, X or R, T, V) the 3 ...continues

Density Function

The density function of a continuous variable x is given by f(x) =x; 0≤x<1 and f(x) = 2-x; 1≤x<2 a) Find p(1/2≤x≤3/2) b) Find the median and quartiles of this distribution

mutually exclusive and independent events

Can E and F be both mutually-exclusive and be independent, if they are non-zero probability events. How?

Lease or Buy

I can lease some equipment for $3,000 annually for 6 years or purchasing it for $12,000. If I can invest money at 8% annum, how do I determine which is the better choice finacially?

Determing amount to deposit

If I wanted to set up a trust earning 9% compounded semi-annually so that I could withdraw $10,000 every six months, begining six months from now, for 6 years. How would I determine the amount to deposit now?

Probability

An experimental test to detect a particular type of cancer indicates the presence of cancer in 90% of individuals known to have this type of cancer, and in 15% of individuals known to be cancer-free (false positive). One hundred individuals volunteer to take the test. Of the 100, 60 are known to have the cancer, and 40 are known ...continues