Question: The speed at which you can log into a website through a smart phone is an important quality characteristic of that website. In a recent

The speed at which you can log into a website through a smart phone is an important quality characteristic of that website. In a recent test, the mean time to log into the Hertz website through a smart phone was 7.524 seconds. (Data extracted from N. Trejos, 'Travelers Have No Patience for Slow Mobile Sites," USA Today, April 4, 2012, p. 3B.) Suppose that the download time is normally distributed, with a standard deviation of 1.7 seconds. What is the probability that a download time is
a. Less than 2 seconds?
b. Between 1.5 and 2.5 seconds?
c. Above 1.8 seconds?
d. 99% of the download times are slower (higher) than how many seconds ?
e. 95% of the download times are between what two values, symmetrically distributed around the mean?
f. Suppose that the download times are uniformly distributed between 1 and 14 seconds. What are your answers to (a) through (d)?
g. Compare the results for the JetBlue Airways site computed in Problem 6.52 to those of the Hertz website.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a Partial PHStat output P X 2 P Z 32494 00006 b PartialPHStat output Solutioncontinue over next ... View full answer

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 Statistics Questions!

Can you solve these problem with out use integral can you to convert to normal standart diviation which one needed as well as use z table. thank you 1. According to Consumer Response Annual Report,...

The speed at which you can log into a website through a smartphone is an important quality characteristic of that website. In a recent test, the mean time to log into the Hertz website through a...

3 . The speed at which you can log into a website through a smartphone is an important quality characteristic of that website. In a recent test, the mean time to log into the Hertz website through a...

The speed at which you can log into a website through a smartphone is an important quality characteristic of that website. In a recent test, the mean time to log into the hertz website through a...

The speed at which you can log into a website through a smartphone is an important quality characteristic of that website. In a recent test, the mean time to log into the Hertz website through a...

The speed at which you can log into a website through a smartphone is an important quality characteristic of that website. In a recent test, the mean time to log into the JetBlue Airways website...

The speed at which you can log into a website through a smart phone is an important quality characteristic of that website. In a recent test, the mean time to log into the JetBlue Airways website...

The speed at which you can log into a website through a smart phone is an important quality characteristic of that website. In a recent test, the mean time to log into the Hertz website through a...

Planning is one of the most important management functions in any business. A front office managers first step in planning should involve determine the departments goals. Planning also includes...

HomeGrown Company is a chain of grocery stores that are similar to indoor farmer's markets, providing fresh, local produce, meats, and dairy products to consumers in urban areas. HomeGrown is...

On 1st January,2021 the spot rate is $1.65 /1 and the UK and US interest rates are 6% and 8% per annum respectively. What would be the one year forward rate ? Verify the result with the help of a...

Lino lives in Ontario and goes to the University of Toronto. He has been using his new student credit card BMO CashBack Mastercard * quite frequently. Even with a $ 5 0 0 credit limit , he loves the...

Use the Dulong-Petit law that CV = 3R for solids to calculate the specific heat cv = CV/M in cal/g for (a) Aluminum, M = 27.0 g/mol, (b) Copper, M = 63.5 g/mol, and (c) Lead, M = 207 g>mol, and...

Applying the generalized divergence theorem to the set M = {XЄrN: |x|

Define F on R3 by F(x) = (0, 0, cx3)x and let M be a compact three-dimensional manifold-with-boundary with MC {x: x3

Suppose that f(x) = e-x for 0

Mia Wiz sells computers. During May, it sold 600 computers at a $1,000 per unit price. The fixed budget for May predicted sales of 650 computers at an per unit price of $960 AQ Actual Quantity SQ...

According to Barker, concertive control creates an environment where employees feel they have more freedom than traditional bureaucratic control. O True O False

Selected transactions follow for Accustart Sports Ltd. during the company's first month of business. The company expects a return rate of 8% and uses a perpetual inventory system. Feb. 2 Sold $1,132...