Question

In: Statistics and Probability

It is suggested that the true average weight of college football players is 200 lb. In...

It is suggested that the true average weight of college football players is 200 lb. In a sample of 30 players, the sample average is 206.73 lb. The sample standard deviation is 6.35 lb. Does the true average weight differ from what was suggested? Test the appropriate hypotheses about the true average weight of college football players. Use α=0.05.

Solutions

Expert Solution

as test statistic falls in rejection region we reject null hypothesis.

We have sufficient evidence to conclude that true average weight differ from 200

orchestra answered 2 years ago
Next > < Previous

Related Solutions

The weight of football players in the NFL is normally distributed with a mean of 200...
The weight of football players in the NFL is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. 1. What is the probability that a randomly selected football player will weigh more than 243.75 pounds? a. 0.4599 b. 0.0401 c. 0.9599 d. 0.5401 2. What is the probability that a football player will weigh less than 260 pounds? a. 0.9918 b. 0.0528 c. 0.4918 d. 0.0082 3. What percentage of players will weigh between...
The weight of football players in the NFL is normally distributed with a mean of 200...
The weight of football players in the NFL is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. A) What is the probability that a randomly selected football player will weigh more than 243.75 pounds? B) What is the probability that a football player will weigh less than 260 pounds? C) What percentage of players will weigh between 150 to 250 pounds? D) 95% of player weights are less than X pounds. Therefore X...
The average weight of a football players on a team has been computed to be 235.5...
The average weight of a football players on a team has been computed to be 235.5 pounds with a standard deviation of 30.5 pounds. What is the probability that a random sample of 100 players will weigh more than 24,000 pounds?
The weight of football players is normally distributed with a mean of 90kg and a standard...
The weight of football players is normally distributed with a mean of 90kg and a standard deviation of 10 kg what is the probability that in a team of 12 players the average weight is less than 85 kg
The National Football League (NFL) holds its annual draft of the nation's best college football players...
The National Football League (NFL) holds its annual draft of the nation's best college football players in April each year. Prior to the draft, various sporting news services project the players who will be drafted along with the order in which each will be selected in what are called mock drafts. Players who are considered to have superior potential as professional football players are selected earlier in the draft. Suppose the following table shows projections by one mock draft service...
The National Football League (NFL) holds its annual draft of the nation's best college football players...
The National Football League (NFL) holds its annual draft of the nation's best college football players in April each year. Prior to the draft, various sporting news services project the players who will be drafted along with the order in which each will be selected in what are called mock drafts. Players who are considered to have superior potential as professional football players are selected earlier in the draft. Suppose the following table shows projections by one mock draft service...
The National Football League (NFL) holds its annual draft of the nation's best college football players...
The National Football League (NFL) holds its annual draft of the nation's best college football players in April each year. Prior to the draft, various sporting news services project the players who will be drafted along with the order in which each will be selected in what are called mock drafts. Players who are considered to have superior potential as professional football players are selected earlier in the draft. Suppose the following table shows projections by one mock draft service...
The National Football League (NFL) holds its annual draft of the nation's best college football players...
The National Football League (NFL) holds its annual draft of the nation's best college football players in April each year. Prior to the draft, various sporting news services project the players who will be drafted along with the order in which each will be selected in what are called mock drafts. Players who are considered to have superior potential as professional football players are selected earlier in the draft. Suppose the following table shows projections by one mock draft service...
The mean weight of 500 students at a certain college is 151 lb and the standard...
The mean weight of 500 students at a certain college is 151 lb and the standard deviation is 15 lb. Assume that the weights are normally distributed. a.) How many students weigh between 120 and 155 lb? (ANSWER IN WHOLE NUMBER) b.) What is the probability that randomly selected male students to weigh less than 128 lb? (ANSWER IN 4 DECIMAL NUMBER)
STEPS ON STATCRUNCH A sample of 21 professional football players had a mean weight of 259.6...
STEPS ON STATCRUNCH A sample of 21 professional football players had a mean weight of 259.6 pounds and standard deviation of 12.1 pounds. A sample of 19 professional basketball players had a mean weight of 205.8 pounds and a standard deviation of 12.9. Find a​ 99% C. I. for​ μ1-μ2 and interpret. Round your answer to 2 decimal places. confidence interval:
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT