In late 2007 it was reported that 79 of us adults owned a

Reference no: EM13637394

In late 2007, it was reported that 79% of U.S. adults owned a cell phone (data extracted from E.C. Baig, "Tips Help Navigate Tech-Buying Maze", USA Today, November 28, 200, p.5B). Suppose that by the end of 2009, that percentage was 85%. If a sample of 10 U.S. adults is selected, what is the probability that:

a). P(X = 8)

b). P(X ? 8)

c.) P(X ? 10)

d.) Provide a substantive answer to the question.

Reference no: EM13637394

Questions Cloud

Construct a c chart for the number of unsafe acts based on : rochester-electro-medical inc. is a manufacturing company based in tampa florida that produces medical products.

A 10g block with a charge of 810-5 c is placed in an : a 10g block with a charge of 810-5 c is placed in an electric field e 3000i-600j nc what are the magnitude and

With a mean of 20 seconds and standard deviation of : with a mean of 2.0 seconds and standard deviation of 0.5please show your worka. px lt 2b. p1.5 lt x lt 2.5c. px gt

Determine the maximum tensile stress in the laminated : a laminated thick-walled hydraulic cylinder was fabricated by shrink-fitting a steel e 200 gpa and v 0.30 jacket

In late 2007 it was reported that 79 of us adults owned a : in late 2007 it was reported that 79 of u.s. adults owned a cell phone data extracted from e.c. baig tips help navigate

The us space program has supported extensive research to : the u.s. space program has supported extensive research to developfuel cells. the early space missions used a fuel cell

Calculate the modulus of elasticity in gpa for the : the modulus of elasticity for a ceramic material having 5.5 volporosity is 319 gpa.a calculate the modulus of

Estimate the maximum elongation and maximum tensile stress : a 5-ton elevator is supported by a standard steel cable of 25 in2 cross section and an effective modulus of elasticity

Te emission line used for zinc determinations in atomic : the emission line used for zinc determinations in atomic emissionspectroscopy is 214 nm. if there are

User Account

All Pages

In late 2007 it was reported that 79 of us adults owned a

Reference no: EM13637394

Reference no: EM13637394

Questions Cloud

Reviews

Write a Review

Basic Statistics Questions & Answers

If the mean value of a set of data including 6 sample tests

Discrete probability model

What is the probability that the defect is the brakes or

To gain a better insight into the price of properties in

A random sample of size 16 is chosen from a population amp

Randomized complete block design

If the sample variance is s2 64 then conduct a hypothesis

Advantage of larger sample size to estimate population mean

Average difference in reaction times

1an old saying in golf is you drive for show and you putt

Suppose that the weight of a large bag of sugar is n505

Do students at various colleges differ in how sociable they

Assured A++ Grade

Academics

Major Subjects

Majors

Get In Touch

TERMS & POLICIES

HELP & SUPPORT