08/27/19

Probability of certain hands in playing poker

If it is assumed that all poker hands are equally likely, what is the probabilityof being dealt: (a) a flush? (all 5 cards are of the same suit) (b) one pair? (the cards have denominations... more

03/30/19

Let f(x)=sin^-1(5x+1). Find f'(x).

10/11/18

Odds of this hand?

5 players at the table, 1 deck of 52 cards. Nothing ‘wild’.if a player is already holding 3 kings, and draws the fourth King, and an Ace.I am wondering about the odds of this hand appearing. Can... more

06/06/18

How do I prove that a set of closed sets is itself closed.

Hi, I have been asked the following but am struggling.   Let {Ωa : a ∈ I} be an arbitrary family of closed sets Ωa ⊆ Rd with an index set I. Prove that   ∩     Ωa a ∈ I   is a closed... more

03/14/17

1+a+a(a+1)/2!+(a+1)(a+2)/3!+.......... test the convergence of the following series

It is a problem

02/12/17

Solve the following system by the substitution method.

need help;   Solve the following system by the substitution method.   0.1x+0.2y=-0.7 0.2x-0.7y=5.2

12/18/15

f(x)=-x^3-3x^2

domain and range  

11/07/15

Word problem

a construction crew has jus finished building a road. The crew worked for 10 days. If they built 3 1/4 kilometers of road each day, what is the total length of road they built ?

Statistics

A call center receives 48 calls on the average every hour on a busy Saturday morning between 10am-11am . The call center manager is interested in calculating the probability of receiving 10  calls... more

10/26/15

Prove logarithmic equation

Prove:   alog b=blog a

Factoring with fraction exponents

x2/3 - 7x1/3 + 12 = 0

10/23/15

STAT qustion

Ocean fishing for billfish is very popular in the Cozumel region of Mexico. In the Cozumel region about 48% of strikes (while trolling) resulted in a catch. Suppose that on a given day a fleet of... more

Statistics problem

Could someone answer this I’m lost Assume the significance level is a = 0.1 use the given information to find the P – value and the critical value(s). The test statistic of z = 1.62 is obtained... more

Calculate the limit as X approaches 0 of the fraction 1-cos (x) over x sin (pi x),

The answer requires the replacement of the numerator and denominator with a taylor series that will produce the same limit as when lhospitals is applied to the original fraction/equation

09/30/15

Determine the indicated probability for a binomial experiment with the given number of trials n and the given success probability p. n = 9, p = 0.1, P(Fewer tha

Determine the indicated probability for a binomial experiment with the given number of trials n and the given success probability p. n = 9, p = 0.1, P(Fewer than 4)

statistics help

The number of fatal car crashes per day in Houston is shown in the table below. Let X be the random variable representing the number of fatal crashes. Find P(X < 2). Hint: convert the table to a... more

probability homework

 the probability that an exam coverage will be about chapter 1 is 0.45, the probability that it will cover chapter 2 is 0.63 and the probability that it will cover either chapter 1 and 2 or both is... more

Express the series below in summation notation for the specific number of terms

A.) 0+1+2+3+4+5+6+7+8+9   b.) 4+8+12+16+20   c.) 6+11+16+21+26+31+36   d.) 0+3+8+15+24+35+48+63+80   e.) sum of a& e

solve for x: ln(x^2+1)-3lnx=ln(2)

I just don't even know what to do with this; solve for x: ln(x^2+1)-3lnx=ln(2)

08/01/15

The probabilty that you will win at the lottery is 0.8. If you play the lottery 12 times, what is the probabilty that you will win at least 7 times?

Not sure of the formula and if I did this problem right?   Can someone show the steps?   The probability that you will win at the lottery is 0.8. If you play the lottery 12 times, what is the... more

solve the exponential equation

(1/4)-2x=64

04/27/15

2 cos2 ? = 2 - cos 2?

Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2π). (Enter your answers as a comma-separated list. Round your answers to three decimal places where appropriate.)2... more

log(log x)=4

It is supposed to be solved without a calculator! Please help! I am so confused. I thought the answer would be 10,000 (10^4), but it is not correct. 
1 3

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