do cafe customers stay longer with darker lighting- is this observational or observational with case control It's either a.observational b.observational with case control...

do cafe customers stay longer with darker lighting- is this observational or observational with case control It's either a.observational b.observational with case control...

The probability that a randomly selected 3 -year-old male salamander will live to be 4 years old is 0.56724 . (a) What is the probability that two randomly selected...

I am not sure how to do this. So far I did Cos(x^(1/2)^3 So I did the chain rule to make Cos(u) where u = x^(3/2) Then I got -Sin(sqrtx)^3*(3/2)x^(1/2) Which then simplifies to (-3Sin(sqrtx)(sqrx))/2 What...

I need to find the orginal function of the question

find a third degree polynomial with integer cofficients that has the following zeros: 0,5,2i

A certain bank account earns 8.4% annual interest compounded quarterly. You deposit $4,000 and leave it in the account. How much money is in the account after 6 years?

x-y=3 x=2y+9

Show that (1 0) , (0 1) , (i 0) , (0 i) , form a basis for C^2 over R, where i = √ −1.

6)Five years after buying 300 shares of XYZ stock for $50 per share, you sell the stock for $10,000.6) A)Total Return: -35.00%Annual Return: -8.18% B)Total Return: -33.33%Annual Return: -7...

29 38/21? thank you!

i44+i150-i74-i109+i61=-1 Justify answer please

Sven has been on a diet for a couple of months now. When he got on the scale this morning, he weighed in at 242.4 lbs, a marked improvement over the 252 lbs that he weighed 16 days ago. (a)...

please help me with this finite math homework

Construct a polynomial function with the stated properties. Reduce all fractions to lowest terms. Fourth-degree and a single zero of 3

A bag contains 4 White and 7 Black balls. Three balls are selected without replacement. A = 1 W 2B B = at least one black ball a. Find P(A) b. Find P(B) c. Are A and...

For the following probability distributions: x 0 1 2 P(x) 0.5 0.4 0.1 a. Find E(x) b. Find σ(x)

1,000 are deposited into the account quarterly for eight years at interest rate of 7.8% compound quarterly . how much is in the account at the end of the 8 years

f(x)=(4x-4)((5x^3)-(x^2)+1)

Determine the type of symmetry (x axis, y axis, origin) possessed by the graph. Do not sketch the graph. (Objective 2) x2 + y2 − 7y − 7 = 0 x axis only y axis only origin only x...

Consider the scores of five students 70, 78, 80, 80, 95. Suppose a random sample of three scores are selected (without replacement). If needed, you may assume order does not matter. (i) Find...

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