Question
In: Statistics and Probability
During the first 13 weeks of the television season, the Saturday evening 8:00 p.m. to 9:00...
During the first 13 weeks of the television season, the Saturday evening 8:00 p.m. to 9:00 p.m. audience proportions were recorded as ABC 30%, CBS 27%, NBC 26%, and independents 17%. A sample of 300 homes two weeks after a Saturday night schedule revision yielded the following viewing audience data: ABC 94 homes, CBS 71 homes, NBC 88 homes, and independents 47 homes.
Test with α = 0.05 to determine whether the viewing audience proportions changed.
Find the value of the test statistic. (Round your answer to three decimal places.)
Find the p-value. (Round your answer to four decimal places.)
p-value =
Solutions
orchestra answered 2 years agoRelated Solutions
During the first 13 weeks of the television season, the Saturday evening 8:00 P.M. to 9:00...
During the first 13 weeks of the television season, the Saturday
evening 8:00 P.M. to 9:00 P.M. audience proportions were recorded
as ABC 30%, CBS 28%, NBC 22%, and independents 20%. A sample of 300
homes two weeks after a Saturday night schedule revision yielded
the following viewing audience data: ABC 93 homes, CBS 70 homes,
NBC 82 homes, and independents 55 homes. Test with =.05 to
determine whether the viewing audience proportions changed. Round
your answers to two decimal...
During the first 13 weeks of the television season, the Saturday evening 8:00 P.M. to 9:00...
During the first 13 weeks of the television season, the Saturday
evening 8:00 P.M. to 9:00 P.M. audience proportions were recorded
as ABC 29%, CBS 27%, NBC 24%, and independents 20%. A sample of 300
homes two weeks after a Saturday night schedule revision yielded
the following viewing audience data: ABC 92 homes, CBS 64 homes,
NBC 86 homes, and independents 58 homes. Test with alpha=.05 to
determine whether the viewing audience proportions changed. Round
your answers to two decimal...
1. During the first 13 weeks of the television season, the Saturday evening 8:00 P.M. to...
1.
During the first 13 weeks of the television season, the Saturday
evening 8:00 P.M. to 9:00 P.M. audience proportions were recorded
as ABC 30%, CBS 27%, NBC 25%, and independents 18%. A sample of 300
homes two weeks after a Saturday night schedule revision yielded
the following viewing audience data: ABC 93 homes, CBS 63 homes,
NBC 88 homes, and independents 56 homes. Test with = .05
to determine whether the viewing audience proportions changed. Use
Table 12.4.
Round your...
1. During the first 13 weeks of the television season, the Saturday evening 8:00 P.M. to...
1.
During the first 13 weeks of the television season, the Saturday
evening 8:00 P.M. to 9:00 P.M. audience proportions were recorded
as ABC 30%, CBS 27%, NBC 25%, and independents 18%. A sample of 300
homes two weeks after a Saturday night schedule revision yielded
the following viewing audience data: ABC 93 homes, CBS 63 homes,
NBC 88 homes, and independents 56 homes. Test with = .05
to determine whether the viewing audience proportions changed. Use
Table 12.4.
Round your...
During the first 13 weeks of the television season, the Saturday evening 8 p.m. to 9...
During the first 13 weeks of the television season, the Saturday
evening 8 p.m. to 9 p.m. audience proportions were recorded as ABC
29%, CBS 28%, NBC 25%, and independents 18%. A sample of 300 homes
two weeks after a Saturday night schedule revision yielded the
following viewing audience data: ABC 95 homes, CBS 70 homes, NBC 89
homes, and independents 46 homes.
Test with α = 0.05 to determine whether the viewing
audience proportions changed.
State the null and...
During the first few weeks of the new television season, the evening news audience proportions were...
During the first few weeks of the new television season, the
evening news audience proportions were recorded as: ABC = 31 5, CBS
= 34%, NBC = 35%. A sample of 600 homes yielded the following
viewing audience data. Channel Number of Homes ABC 150 CBS 200 NBC
250 We want to determine whether or not there has been a
significant change in the percentage of viewing audience of the
three networks. Conduct the appropriate hypothesis test at an alpha...
A pub opens its door for business at 6:00 PM. From 6:00 P.M. to 8:00 P.M....
A pub opens its door for business at 6:00 PM. From 6:00 P.M. to
8:00 P.M. 50 smokers in the pub smoke 2 cigarettes per hour and
each cigarette emits 4mg formaldehyde. Fresh air is introduced into
the pub @ 1,000 m3/hr. At 8:00 P.M. the number of smokers in the
pub increases from 50 to 75 and as a result, the fresh air flow
rate is increased from 1,000 m3/hr to 1,500 m3/hr to flush out the
stale air....
A pub opens its door for business at 6:00 PM. From 6:00 P.M. to 8:00 P.M....
A pub opens its door for business at 6:00 PM. From 6:00 P.M. to
8:00 P.M. 50 smokers in the pub smoke 2 cigarettes per hour and
each cigarette emits 4mg formaldehyde. Fresh air is introduced into
the pub @ 1,000 m3/hr. At 8:00 P.M. the number of smokers in the
pub increases from 50 to 75 and as a result, the fresh air flow
rate is increased from 1,000 m3/hr to 1,500 m3/hr to flush out the
stale air....
On Saturday at 15:00 p.m. Mrs. Jane Williamson a 68 years old female with a 10...
On Saturday at 15:00 p.m. Mrs. Jane Williamson a 68 years old
female with a 10 years history
of laryngeal cancer. She has a tracheostomy with oxygen at 5
liters. She has a son that smoke 2
pack of cigarette per day. She also has a history of myocardial
infarction and Afib and a history
of coronary bypass. She takes digoxin and diuretics, coumadin,
Colace and albuterol. Mrs.
Williamson started complaining of chest pain. She was admitted for
possible r/o...
The hostess at a busy restaurant has found that during a Saturday evening, the restaurant typically...
The hostess at a busy restaurant has found that during a
Saturday evening, the restaurant typically has 14 diners entering
every 18 minutes.
What is the probability that exactly 13 people enter the
restaurant during a random 18 minute period on a Saturday evening?
What is the probability that exactly 10 people enter the
restaurant during a random 9 minute window on a Saturday evening?
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