Math Answers

Use the given probability distribution table to answer each item.

X 0 1 2 3 4 5

P(X) 0.10 0.24 0.08 0.20 0.21 0.17

1. P(2)=

2.P(greater than 0)=

3.P(less than 5)=

4.P(even)=

5.P(odd)=

6.P(between 0 and 5)=

7.P(greater than 2)=

8.P(less than 3)=

9.P(3 and 4)=

10.<P(X)=

Four balls are drawn in succession without replacement from an urn containing 4 white balls and 7 black balls. Let W be the random variable representing the number of white balls.

(d^2-5d+6)y =x cos(2x)

Supposed three coins are tossed. Let X be the random variable representing the number of heads occur. Construct a table that shows the sample space and values of the random variable X.

Making a sale on a customer call is 0.16 What’s the probability no sales will be made in 12 calls

1. On 15 November in each of the years 1964 to 1979 inclusive an investor deposited £500 in a special bank savings account. On 15 November 1983 the investor withdrew his savings. Given that over the entire period the bank used an annual interest rate of 7% for its special savings accounts, find the sum withdrawn by the investor.

Y10with usual OLS assumptions.  Derive the expression for the error variance.

A town has a population of 2000 and grows at 4% every year. What will be the population after 15 years, to the nearest whole number?

Trey has 9 new magazines to read. Let M be the number of magazines he would have left to read after reading R of them. Write an equation relating M to R. Then graph your equation using the axes below.

Three neon lights colored red, blue and green flash at different time intervals. The red light flashes after every 18 seconds and the green light after every 15 seconds. If all the three lights flash together at 8:00 am, how many times will all three lights flash together by 9:30 am.

Please show your full steps answer.