Suppose that you are expecting a message at some time past 5 P.M. From experience you know

Question:

Suppose that you are expecting a message at some time past 5 P.M. From experience you know that X , the number of hours after 5 P.M. until the message arrives, is a random variable with the following probability density function:

image text in transcribed

The expected amount of time past 5 P.M. until the message arrives is given by

image text in transcribed

Hence, on average, you would have to wait three-fourths of an hour

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Introduction To Probability And Statistics For Engineers And Scientists

ISBN: 9780125980579

3rd Edition

Authors: Sheldon M. Ross

See More Books

Question Posted: Sep 11, 2024 06:01 AM

See More Questions

The value of integral integration from - infinity to infinity dx/1+x^4
Research results indicate that physically attractive people are also perceived as being more intelligent (Eagly, Ashmore, Makhijani, & Longo, 1991). As a demonstration of this phenomenon, a...
A plane wave traveling in medium 1 with r1 = 2:25 is normally incident upon medium 2 with r2 = 4. Both media are made of nonmagnetic, non-conducting materials. If the electric field of the incident...
Suppose that you are expecting a message at some time past 5 P.M. From experience you know that X , the number of hours after 5 P.M. until the message arrives, is a random variable with the following...
Presented below are the financial statements of Newman Company. Additional data: 1. Dividends declared and paid were $27,000. 2. During the year equipment was sold for $8,500 cash. This equipment...
Justin paid all the costs of keeping up the home, and provided full support for his daughter, Ava Reedley. (Hint: Refer to chapter 4 to determine the most advantageous filing status for Justin.)
Suppose X has the following probability mass function Calculate E[X 2 ]. p(0)=.2, p(1)=.5, p(2) = .3
If I is an indicator random variable for the event A, that is, if then E[I] = 1P(A) + 0P(Ac ) = P(A) Hence, the expectation of the indicator random variable for the event A is just the probability...
5. You are a newly appointed director for a small charity which supports homeless people. How could innovation improve the ways in which your charity operates in terms of fi nding new opportunities...
True or false: When the sample size is large, confidence intervals and hypothesis tests for 1 are valid even when the assumptions of the linear model are not met.
Federal Credit Bank has a loan receivable from Hawthorne Construction Company. Hawthorne is late making payments to the bank, and Robert Wheeler, a Federal Credit Bank vice president, is helping...
The following inventory transactions apply to Willow Company for 2012. The beginning inventory consisted of 175 units at $\$ 34$ per unit. All transactions are cash transactions. Required a. Record...
Sphere A carries $6.0 \mathrm{nC}$ of charge. It is placed $100 \mathrm{~mm}$ from sphere B, which carries $3.0 \mathrm{nC}$ of charge. Assume the spheres are much smaller than their separation...
The reversible catalytic reaction proceeds with decaying catalyst in a batch reactor (batch-solids, batchfluid). What can you say of the kinetics of reaction and deactivation from the following data:...
A Kelvin oval is formed by a line vortex pair with K = 9 m2/s, a = 1 m, and U = 10 m/s. What are the height, width, and shoulder velocity of this oval? y=H Vmax 10 m/s a= 1 m
suppose a nickel-contaminated soil 15 cm deep contained 800 mg/kg Ni, Vegetation was planted to remove the nickel by phytoremediation. The above-ground plant parts average 1% Ni on a dry-weight bas...

Suppose that you are expecting a message at some time past 5 P.M. From experience you know

Question:

- f(x): = 12 1.5 0 if 0 < x < 1.5 otherwise

Step by Step Answer:

Introduction To Probability And Statistics For Engineers And Scientists

Students also viewed these Business questions