# Math 117

The random variable x is the number of houses sold by a realtor in a single month at the Sendsom's
Real Estate office. Its probability distribution is as follows. Find the expected number of houses
sold in a month.
Houses Sold (x) Probability P(x)
0 0.24
1 0.01
2 0.12
3 0.16
4 0.01
5 0.14
6 0.11
7 0.21

A) 3.50 B) 3.35 C) 3.40 D) 3.60

1. 👍 0
2. 👎 0
3. 👁 829

1. 👍 0
2. 👎 0
posted by Garcia
2. I have gotten the answer already I have worked out the problem and I came up with 3.60 I mult. across. then added the answers all together..

1. 👍 0
2. 👎 0
posted by Garcia

## Similar Questions

1. ### math

In the past, the value of houses a local realtor has sold is normally distributed with a mean of \$253,000 with a standard deviation of \$65,000. How much does a house have to sell for so that the house is in the bottome 20% of

asked by kayla on August 18, 2018
2. ### statistics

The average number of houses sold by a company is 2 houses per day what is probability that's exactly 3 houses will be sold in one week

asked by sue spear on April 8, 2015
3. ### Statistic

The average number of houses sold by a company is 2 houses per day what is the probability that exactly 3 houses will be sold in one week

asked by Sue on April 8, 2015
4. ### math

The plan for a new housing development call for the construction of a large number of residential homes.A marketing expert tells the owner that because of the poor location of development,20 of the houses which are sold will be

asked by farahan on April 2, 2016
5. ### math (Pls help me out)

The plan for a new housing development call for the construction of a large number of residential homes.A marketing expert tells the owner that because of the poor location of development,20 of the houses which are sold will be

asked by Ras on April 2, 2016
6. ### ap stats need help

Continuous Random Variable, I Let X be a random number between 0 and 1 produced by the idealized uniform random number generator described. Find the following probabilities: a.P(0¡ÜX¡Ü0.4) b.P(0.4¡ÜX¡Ü1) c.P(0.3¡ÜX0.5)

asked by chris on March 10, 2009
7. ### Statistics

Let X be a random variable that takes integer values, with PMF pX(x) . Let Y be another integer-valued random variable and let y be a number. a) Is pX(y) a random variable or a number? b) Is pX(Y) a random variable or a number?

asked by Ali on June 17, 2019
8. ### math

In old gangster movies on TV, you often hear of "number runners" or the "numbers racket." This numbers game, which is still played today, involves betting \$1 on the last three digits of the number of stocks sold on a particular

asked by Ted Lum on October 22, 2018
9. ### probability

A fair coin is flipped independently until the first Heads is observed. Let K be the number of Tails observed before the first Heads (note that K is a random variable). For k=0,1,2,…,K, let Xk be a continuous random variable

asked by JuanPro on March 28, 2014