Question

A game company offers two plan to its players. At the time new players sign up, they askes to provide some demographic information. The mean yearly income for a sample of 40 subscribers to plan A is $ 57,000 with standard devaition $9,200. For a sample of 30 subscribers to plan B, the mean income is $ 61,000 with a standard deviation is $7,200.

a.State the null and alternate hypothesis to conclude that the mean income of those selecting plan B is larger.

b.What is the critical value for 0.10 significance level

c.What is the value of sample

d.What is the decision and why ?

Answer #1

A cell phone company offers two plans to its subscribers. At the
time new subscribers sign up, they are asked to provide some
demographic information. The mean yearly income for a sample of 38
subscribers to Plan A is $45,000 with a standard deviation of
$9,200. For a sample of 26 subscribers to Plan B, the mean income
is $49,500 with a standard deviation of $7,100.
At the 0.100 significance level, is it reasonable to conclude
the mean income of...

A cell phone company offers two plans to its subscribers. At the
time new subscribers sign up, they are asked to provide some
demographic information. The mean yearly income for a sample of 42
subscribers to Plan A is $55,500 with a standard deviation of
$8,500. This distribution is positively skewed; the coefficient of
skewness is not larger. For a sample of 40 subscribers to Plan B,
the mean income is $56,800 with a standard deviation of $8,700.
At the...

A cell phone company offers two plans to its subscribers. At the
time new subscribers sign up, they are asked to provide some
demographic information. The mean yearly income for a sample of 38
subscribers to Plan A is $58,500 with a standard deviation of
$8,000. This distribution is positively skewed; the coefficient of
skewness is not larger. For a sample of 42 subscribers to Plan B,
the mean income is $59,100 with a standard deviation of $9,500. At
the...

Exercise 11-25 (LO11-2)
A cell phone company offers two plans to its subscribers. At the
time new subscribers sign up, they are asked to provide some
demographic information. The mean yearly income for a sample of 40
subscribers to Plan A is $45,000 with a standard deviation of
$9,200. For a sample of 25 subscribers to Plan B, the mean income
is $64,300 with a standard deviation of $7,100.
At the 0.025 significance level, is it reasonable to conclude
the...

Sign In
INNOVATION
Deep Change: How Operational Innovation Can Transform Your
Company
by
Michael Hammer
From the April 2004 Issue
Save
Share
8.95
In 1991, Progressive Insurance, an automobile insurer based in
Mayfield Village, Ohio, had approximately $1.3 billion in sales. By
2002, that figure had grown to $9.5 billion. What fashionable
strategies did Progressive employ to achieve sevenfold growth in
just over a decade? Was it positioned in a high-growth industry?
Hardly. Auto insurance is a mature, 100-year-old industry...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 48 seconds ago

asked 49 seconds ago

asked 13 minutes ago

asked 13 minutes ago

asked 15 minutes ago

asked 31 minutes ago

asked 34 minutes ago

asked 36 minutes ago

asked 44 minutes ago

asked 46 minutes ago

asked 47 minutes ago

asked 50 minutes ago