Question: hello,i confused to solve this 2. The 2010 U.S Census found the chance of a household being a certain size. The data is in Table

hello,i confused to solve this

2. The 2010 U.S Census found the chance of a household being a certain size. The data is in Table 1 (Household by age in 2013). Size of 7 or household 2 3 6 Probability 26.7% 33.6% 15.8%% 13.7% 63% 24% 1.5% X - number of people in a household Find the mean, variance and standard deviation for the data (20 marks)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

The 2010 U.S. Census found the chance of a household being a certain size. The data is in the pmf below ("Households by age," 2013). Let X be the number (size) in a household. E(X) = EK.P(X = k) k 1...

The 2010 US. Census found the chance of a household being a certain size. The data is in the pmf below ("Households by age," 2013). Let X be the number (size) in a household. E(X) = Z k-P(X = k] k 1...

Find the mean and the standard deviation of the following data: A probability distribution is a list of all of the possible outcomes of a random variable along with their corresponding probability...

5.) Find the mean, median, range, variance and standard deviation of the data set below. The data represent the fixed monthly costs for Sam's Linen Service. Monthly charges Monthly cost ($) Bank...

The 2010 U.S. Census found the chance of a household having a certain number of pets. The data is in the table below. # of pets 0 1 2 3 4 5 or more Probability 15.5% 22.8% 26.4% 18.5% 10% 6.8% Is it...

7.) The 2010 U.S. Census found the chance of a household having a certain number of pets. The data is in the table below. # of pets 0 1 2 3 4 5 or more Probability 15.5% 22.8% 26.4% 18.5% 10% 6.8% Is...

ACTIVITY 1: DISCRETE AND CONTINUOS RANDPM VARIABLE esson The Concept of Random Variables A random variable is a variable whose value is unknown or a function that assigns values to each of an...

. The 2020 U.S. Census found the chance of a household being a certain size. The data is in the table Size of Household 1 2 3 4 5 6 7 or more Probability 28.18% 34.83% 15.05% 12.66% 5.80% 2.27% 1.20%...

Let X be a geometric random variable, and assume that Var(X) = 5. a) What is the conditional variance Var(X4X>4) ? Var(X4X>4) = b) What is the conditional variance Var(X8X>4) ? Var(X8X>4)...

What are two ways in which silicon dioxide is commonly used in microelectronic manufacturing?

8. A loan has an annual interest rate of 6% and a principal amount of $10,000. What is the interest payment for the first year? no gpt

11. A major disadvantage of the payback period is that it O a. does not ignores cash flows beyond the payback period. O b. is useless as a risk indicator. Oc Does not directly account for the time...

3. A price ceiling will result in a shortage only if the ceiling price is _______________ the equilibrium price. LO3.7 a. Less than. b. Equal to. c. Greater than. d. Faster than.

LO4.4 Explain how positive and negative externalities cause under- and overallocations of resources.

LO4.2 Explain the origin of both consumer surplus and producer surplus and explain how properly functioning markets maximize their sum, total surplus, while optimally allocating resources.