Lily estimates that her time to fall asleep each night is

Assignment Help Basic Statistics
Reference no: EM13616004

Lily estimates that her time to fall asleep each night is approximately exponentially distributed. It takes her an average of 30 minutes to fall asleep.

a) Write out fx(x) and Fx(x) for X, the number of minutes it takes Lily to fall asleep.

b) What is the probability that it takes her less than 10 minutes to fall asleep?

c) What is the probability that it takes her more than an hour to fall asleep?

d) If she has already lain awake for 1 hour, what is the probability that it will take her more than 90 minutes to fall asleep?

e) Lily went to bed at 9:45 pm. At 11:00 pm, her husband found her asleep in bed. Knowing this, what is the probability that she fell asleep before 10:30 pm?

Reference no: EM13616004

Questions Cloud

Metallica bearings inc is a young start-up company no : metallica bearings inc. is a young start-up company. no dividends will be paid on the stock over the next nine years
The alphacor company experiences some type of failure on : the alphacor company experiences some type of failure on its computer network on average once every 4 hours. assume
If you deposit 3500 today into an accoun earning an 11 : if you deposit 3500 today into an accoun earning an 11 percent annual rate of return what would your account be worth
Miller corporation has a premium bond making semiannual : miller corporation has a premium bond making semiannual payments. the bond pays a coupon of 12 percent has a ytm of 10
Lily estimates that her time to fall asleep each night is : lily estimates that her time to fall asleep each night is approximately exponentially distributed. it takes her an
You buy a zero coupon bond at the beginning of the year : you buy a zero coupon bond at the beginning of the year that has a face value of 1000 a ytm of 9 percent and 12 years
Harry jones has invested onethird of his funds in share 1 : q1. since 1 august 2005 adam smiths investment policy has been to lodge fixed term deposits at his local bank. the
The coefficient of static friction between the floor of a : the coefficient of static friction between the floor of a truck and a box resting on it is 0.30. the truck is traveling
A parallel-plate capacitor has plates with area 00105 m2 : a parallel-plate capacitor has plates with area 0.0105 m2 separated by 1.00 mm of teflon.a calculate the charge on the

Reviews

Write a Review

Basic Statistics Questions & Answers

  Hypothesis testing problems of smoking

The results of a recent study regarding smoking and three types of illness are shown below. The illnesses are Emphysema, Heart Problem, and Cancer.

  Sketch a venn diagram of these events berkeley and chelsea

sketch a venn diagram of these eventsberkeley and chelsea visited independently of one another.berkeley visited with

  Median number of hours of television watched per week by shu

Determine the 90% confidence interval estimate for the median number of hours of television watched per week by shut-ins.

  Continuous random variable uniformly distribution

Compute the pdf of continuous random variable Z where Z = X + Y and X is a continuous random variable uniformly distributed on [0, 2] and Y is a continuous random variable uniformly distributed on [0, 4]. Assume that X and Y are independent.

  Determine sample is likely to representative of population

Identify the sample and population. Also, determine whether the sample is likely to be representative of the population.

  Critique the hr manager planned approach

Critique the HR manager's planned approach and give him advice on how to proceed. You can assume that a reasonable estimate for the proportion of new hires that are happy with the company is .8.

  Probabilities on automobile salesperson

The probabilities that an automobile salesperson will sell 0, 1, 2, or 3 cars on any given day in February are, respectively, 0.19, 0.38, 0.29, and 0.15.

  A researcher is interested in comparing the christian

question a researcher is interested in comparing the christian maturity level of students who volunteer for community

  Marketing analyst can use inependent samples

Explain how the marketing analyst can use independent samples to collect the data.

  Anova for location for magazines

Emma's On-the-Go, a large convenience store, has to decide where in the store to put its magazine rack. The manager at Emma's experiments with a selection of different locations, choosing a sample of days at each location.

  A particular investment fund is comprised of more than 1000

a particular investment fund is comprised of more than 1000 companies world-wide that are considered to be socially

  Find the range standard deviation and variance for the

find the range standard deviation and variance for the following sample data2 11 81 29 22 59 78 71 21 43 99 12 38 74 56

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd