In Yahtzee, a “large straight” is a roll that leads to five dice displaying 1-2-3-4-5 or 2-3-4-5-6. What is the probability that a player will score a large straight with a single roll of all six dice?
In: Statistics and Probability
Find the integrals of the following:
1) 6sin2xcos3x dx
2) 9xcos2x dx
3) 3cos2xtan3x dx
4) 7cot5xsin4x dx
5) 3tan2xsecx dx
In: Math
1:
Given that f(4) = 6 and f'(x) = 2/x2+9 for all x.
a) Use a linear approximation or differentials to estimate f(4.04)
b) Is your estimate in part (a) too large or too small? Explain.
2:
a) Given f(x) = (x + 3)sinx, find f'(π) using logarithmic differentiation.
b) Find the value of h'(0) if h(x)+xsin(h(x))= x2+4x-π/2
In: Math
Assume we roll a fair four-sided die marked with 1, 2, 3 and
4.
(a) Find the probability that the outcome 1 is first observed after
5 rolls.
(b) Find the expected number of rolls until outcomes 1 and 2 are
both observed.
(c) Find the expected number of rolls until the outcome 3 is
observed three times.
(d) Find the probability that the outcome 3 is observed exactly
three times in 10 rolls
given that it is first observed after 5 rolls.
(e) Find the probability that the outcome 3 is first observed after
5 rolls given that
it is observed exactly three times in 10 rolls
In: Statistics and Probability
1. What is dollarization?
2. What is currency union?
3. What is asymmetric information?
4. What was the name of the first bankers?
In: Economics
part 1)
Let f(x) = x^4 − 2x^2 + 3. Find the intervals of concavity of f and determine its inflection point(s).
part 2)
Find the absolute extrema of f(x) = x^4 + 4x^3 − 8x^2 + 3 on [−1, 2].
In: Math
f(x)= 2x^4 - 4x^2 + 1
a. Indicate where the function is increasing or decreasing.
b. List the coordinates of where extrema occur.
c. State where the graph is concave up or concave down.
d. List the coordinates of where points of inflection occur.
In: Math
4) Consider total cost and total revenue given in the following table:
Quantity 0 1 2 3 4 5 6 7 7
Total Cost $120 150 160 170 190 230 300 410 610
Total Revenue $0 70 140 210 280 350 420 490 560
A. Create a table that includes the fixed cost at each level of output as well as the variable cost
at each level of output. If capital is fixed and the firm uses 10 units of capital, then what is
the price of capital? If labor is variable and the firm uses 5 units of labor to produce 3 units
of output, then what is the price of labor?
B. Create a table that includes the marginal cost, average variable cost, and average total cost
associated with each level of production. Graph these three cost measures on a single graph
with quantity on the horizontal axis. Explain how you know the firm exhibits the law of
diminishing returns.
C. Calculate profit (revenue minus costs) for each quantity. Calculate marginal revenue for
each quantity. Verify that the profit maximizing firm will choose the highest level of profit
at a point where MR = MC.
D. This firm is in a perfectly competitive industry? Explain how we know this is true. What
do you expect to happen in the long run in this industry? Will firms enter or leave the
market in the long run? Will the market price increase or decrease in the long run?
In: Economics
In: Computer Science
A set of data has the following coordinates
| t | 0 | 1 | 3 | 4 | 7 |
| y | 2 | 4 | 5 | 7 | 10 |
a) Find the least-squares fit to this data by a linear function of t (that is, find constants c1,c0 so that y(t) = c1t + c0 is the best linear fit to this set of data).
b) Find the equation of the best quadratic fit to the same set of data. Then find the equation of the polynomial of smallest degree that fits the data exactly.
In: Statistics and Probability