This Question: 3 pts 300 Find the expected value for the random variable. 3 6 9...
Find the expected value for the random variable. Z 3 6 9 12 15 P(z) 0.14 0.18 0.36 0.22 0.10 O A. 6.21 OB. 8.64 O c. 7.32 O D. 8.88
Homework 9.1 Find the expected value for each random variable x 1 3 5 7 P(x) 0.1 0.5 0.2 0.2 y 1 15 30 40 P(y) 0.15 0.20 0.40 0.25 z 0 2 4 8 16 P(z) 0.21 0.24 0.21 0.17 .17
Question 11 4 pts Find an approximate value of the standard normal random variable z, called to such that P (2>20) = 0.70. O -0.52 O -0.98 -0.47 -0.81 < Previous Next
Question 3 1 pts Determine whether the distribution is a discrete probability distribution. If not, state why. X 100 200 300 400 500 P(X) 0.24 0.17 0.36 0.16 0.08 No, violates Rule 1. P(X) = 1 No violates both Rules Yes. It's a discrete probability distribution No, violates Rule 2.0 < P(X) 51
The probability distribution for the random variable X is given below. X 0 P(x) 0.05 0.17 0.26 2 3 4 0.24 0.28 What is the standard deviation to the nearest hundredth) for the random variable? O A 1.17 OB. 12 O C. 1.3 OD. 124 O E. None of the above Click to select your answer Type here to search o i E
QUESTION 9 Find the expected value of the random variable. Round to the nearest cent unless stated otherwise. Suppose you buy 1 ticket for $1 out of a lottery of 1,000 tickets where the prize for the one winning ticket is to be $500. What is your expected value? -$0.40 -$1.00 -$0.50 $0.00
Question 1 1 pts The "expected value" of a random variable is another name for which quantity? O quantile mean variance O mode D Question 2 1 pts If there is a 0.5 probability that your GPA for your classes next quarter will be 3.0, a 0.25 probability that it will be 3.5, and a 0.25 probability that it will be 4.0, what is the expected value of your GPA for the next quarter?
The random variable x is the number of houses sold by a realtor in a single month at the Sendsom'sReal Estate office. Its probability distribution is as follows. Find the expected number of housessold in a month.Houses Sold (x) Probability P(x)0 0.241 0.012 0.123 0.164 0.015 0.146 0.117 0.21A) 3.50 B) 3.35 C) 3.40 D) 3.60I'm not sure if the answer is A or C can someone please help me.
. Assignment of probability p, to each value of the Continuous Random Variable x. B. Assignment of frequency f, to each value of the Discrete Random Variable x. C. Assignment of probability p, to each value of the Discrete Random Variable x. D. Assignment of frequency f, to each value of the Continuous Random Variable x. Given the discrete probability distribution in the table below, answer questions 12-15 23 4 Po)10.12a a-0.11 0.28 12. Calculate a A. 0.46 B. 0.33...
X is a Discrete Random Variable that can take five values Given The five possible values are: x1 = 4 (Units not given) X2 = 6 (Units not given) X3 = 9 (Units not given) X4 = 12 (Units not given) X5 = 15 (Units not given) The associated probabilities are: p(x1) = 0.14 (Unitless) p(x2) = 0.11 (Unitless) p(x3) = 0.10 (Unitless) p(xx) = 0.25 (Unitless) Question(s) 1. If the five values are collectively exhaustive, what is p(x5)? (Unitless)...