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0.1915 QUESTION 19 Provide an appropriate response. The number of violent crimes committed in a day...
Question 6 3 pts The number of violent crimes committed in a day possesses a distribution...
Question 6 3 pts The number of violent crimes committed in a day possesses a distribution with a mean of 3.5 crimes per day and a standard deviation of 4 crimes per day. A random sample of 100 days was observed, and the mean number of crimes for the sample was calculated. Describe the sampling distribution of the sample mean. shape unknown with mean = 3.5 and standard deviation = 0.4 shape unknown with mean = 3.5 and standard deviation-4...
The number of cars running a red light during the day at a given intersection possesses...
The number of cars running a red light during the day at a given intersection possesses a distribution with a mean of 4.5 cars and standard deviation of 6. The number of cars running a red light was observed on 100 randomly choose days and the mean numbers of cars calculated. Describe the sample distribution of the sample mean
According to the FBI, violent crime is composed of four offenses; murder and non-negligent mansluaghter, forcible...
According to the FBI, violent crime is composed of four offenses; murder and non-negligent mansluaghter, forcible rape, robbery and aggravated assualt. The number of violent crimes is committed in the cities in the state of California with a population of 100,000 or more for the year of 2013 had a mean of 2.02 crimes per 1000 persons and a standard deviation of 1.62 crimes per 1,000 person. What is the probabality that a random sample of 44 of these California...
sorry for the mutiples.. wanna ask my questions before my sub ends.. per day. A 5)...
sorry for the mutiples.. wanna ask my questions before my sub
ends..
per day. A 5) A simple random sample of size n=1320 is obtained from a population whose size is N=1,400,000 and whose population proportion with a specified characteristic is p=0.46. Describe the sampling distribution of 1) The mean number of violent crimes committed in a day is 2.2 crimes per day with a standard deviation of 6 crimes per day. A random sample of 100 days was observed,...
17. Below is the distribution of violent crimes in New York city in 2015 and the...
17.
Below is the distribution of violent crimes in New York city in
2015 and the breakdown of a sample of 1000 violent crimes in New
York city in this year. Assume 5% level of significance.
Violent
crime
Count in
the study
Percent
in 2015
Murder
5
1%
Rape
50
4%
Robbery
352
35%
Assault
593
60%
Total
1000
100%
Under the null hypothesis, what would be the expected breakdown for
each type of violent crime (murder, rape, robbery, assault)...
Question 22 4 pts The number of patients admitted per day to a large hospital's ICU...
Question 22 4 pts The number of patients admitted per day to a large hospital's ICU follows a skewed right distribution with a mean of 20 and a standard deviation of 8. Suppose a sample of 100 days was collected over the past year and the average number of patients admitted per day was calculated. Does the Central Limit Theorem apply to this problem? No Yes, since np and nq are both at least 15 Yes, since n is at...
4. Suppose the number of students who come to office hours on the ith day is modeled as a random ...
4. Suppose the number of students who come to office hours on the ith day is modeled as a random variable X;. a) What is a reasonable probability model for the distribution of X,? b) Using the CLT, produce an approximate 80% confidence interval for the true population mean number of students who come to office hours each day given the following summary of a random sample of days: Σ-in-186. ays: Σ401Χί = 186.
4. Suppose the number of students...
QUESTION 30 Provide an appropriate response. In a pizza takeout restaurant, the following probability distribution was...
QUESTION 30 Provide an appropriate response. In a pizza takeout restaurant, the following probability distribution was obtained. The random variable x represents the number of toppings for a large pizza. Find the mean and standard deviation. x P(x) mean: 1.30; standard deviation: 1.54 mean: 1.14; standard deviation: 1.04 mean: 1.30; standard deviation: 2.38 mean: 1.54; standard deviation: 1.30
Provide an appropriate response. Find the mean, median, and mode of the following statistic students' test...
Provide an appropriate response. Find the mean, median, and mode of the following statistic students' test scores 71 74 67 71 64 72 71 65 66 69 15 Calculate the 5-number summary 16. The distribution of salaries of professional basketball players is skewed to the right. Which measure of central tendency would be the best measure to determine the location of the center of the distribution 16). C) mean C)frequency A median B) mode 17 and median? 17 Frequency distributions...
The number of gallons of paint that Home Depot sells in a given day is normally...
The number of gallons of paint that Home Depot sells in a given day is normally distributed with a mean of 160 gallons and a standard deviation of 35 gallons ( I really that the distribution is probably different for weekends compared to weekdays, but just assume everyday has the distribution). In a sample of 80 days, what is the probability that the average number of gallons sold will be 165 or less?
Question 6 3 pts The number of violent crimes committed in a day possesses a distribution with a mean of 3.5 crimes per day and a standard deviation of 4 crimes per day. A random sample of 100 days was observed, and the mean number of crimes for the sample was calculated. Describe the sampling distribution of the sample mean. shape unknown with mean = 3.5 and standard deviation = 0.4 shape unknown with mean = 3.5 and standard deviation-4...
sorry for the mutiples.. wanna ask my questions before my sub
ends..
per day. A 5) A simple random sample of size n=1320 is obtained from a population whose size is N=1,400,000 and whose population proportion with a specified characteristic is p=0.46. Describe the sampling distribution of 1) The mean number of violent crimes committed in a day is 2.2 crimes per day with a standard deviation of 6 crimes per day. A random sample of 100 days was observed,...
17.
Below is the distribution of violent crimes in New York city in
2015 and the breakdown of a sample of 1000 violent crimes in New
York city in this year. Assume 5% level of significance.
Violent
crime
Count in
the study
Percent
in 2015
Murder
5
1%
Rape
50
4%
Robbery
352
35%
Assault
593
60%
Total
1000
100%
Under the null hypothesis, what would be the expected breakdown for
each type of violent crime (murder, rape, robbery, assault)...
Question 22 4 pts The number of patients admitted per day to a large hospital's ICU follows a skewed right distribution with a mean of 20 and a standard deviation of 8. Suppose a sample of 100 days was collected over the past year and the average number of patients admitted per day was calculated. Does the Central Limit Theorem apply to this problem? No Yes, since np and nq are both at least 15 Yes, since n is at...
4. Suppose the number of students who come to office hours on the ith day is modeled as a random variable X;. a) What is a reasonable probability model for the distribution of X,? b) Using the CLT, produce an approximate 80% confidence interval for the true population mean number of students who come to office hours each day given the following summary of a random sample of days: Σ-in-186. ays: Σ401Χί = 186.
4. Suppose the number of students...
QUESTION 30 Provide an appropriate response. In a pizza takeout restaurant, the following probability distribution was obtained. The random variable x represents the number of toppings for a large pizza. Find the mean and standard deviation. x P(x) mean: 1.30; standard deviation: 1.54 mean: 1.14; standard deviation: 1.04 mean: 1.30; standard deviation: 2.38 mean: 1.54; standard deviation: 1.30
Provide an appropriate response. Find the mean, median, and mode of the following statistic students' test scores 71 74 67 71 64 72 71 65 66 69 15 Calculate the 5-number summary 16. The distribution of salaries of professional basketball players is skewed to the right. Which measure of central tendency would be the best measure to determine the location of the center of the distribution 16). C) mean C)frequency A median B) mode 17 and median? 17 Frequency distributions...
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