Question

In: Statistics and Probability

1) A population count shows that the average number of rabbits per acre living in a...

1) A population count shows that the average number of rabbits per acre living in a field is 3.6. Use a table to find the probability that seven rabbits are found on any given acre of the field.

2) Flipping a coin 10 times and plot the histogram of binomial experiment.

3) Construct a 99% confidence interval for the mean number of hours spent on required athletic activities by all student athletes in the confidence.

Number of Hours of 40 athletes

19

25

15

21

22

20

20

22

22

21

21

23

22

16

21

18

25

23

23

21

22

24

18

19

23

30

19

19

24

25

17

21

21

25

23

18

22

20

21

21

Solutions

Expert Solution


Related Solutions

The average number of rare flowers in a 2-acre field is estimated to be 17 per...
The average number of rare flowers in a 2-acre field is estimated to be 17 per acre. Find the probability that at most 13 rare flowers are found on (a) A given acre (b) On at least 4 of the next 10 acres inspected
We wish to estimate the average number of heartbeats per minute for a certain population. The...
We wish to estimate the average number of heartbeats per minute for a certain population. The average number of heartbeats per minute for a sample of 64 subjects was found to be 80. Assume that these 64 patients constitute a random sample, and that the population is normally distributed with a standard deviation of 9. (a) Construct a 95% confidence interval for µ. (b) Find the width of a 95% confidence interval for µ. (c) What would be the sample...
The number of ants per acre in the forest is normally distributed with mean 45,000 and...
The number of ants per acre in the forest is normally distributed with mean 45,000 and standard deviation 12,278. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N(,) b. Find the probability that a randomly selected acre in the forest has fewer than 57,834 ants. c. Find the probability that a randomly selected acre has between...
The number of ants per acre in the forest is normally distributed with mean 43,000 and...
The number of ants per acre in the forest is normally distributed with mean 43,000 and standard deviation 12,405. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N(,) b. Find the probability that a randomly selected acre in the forest has fewer than 55,888 ants. c. Find the probability that a randomly selected acre has between...
At this point the entire POPULATION of solar land leased is as follows: Lease per acre...
At this point the entire POPULATION of solar land leased is as follows: Lease per acre for Solar Farms 650 620 707 595 740 600 1.  What is the average price paid per acre for the solar land leased? 2.  If you select three tracts to compute the average, what is the standard deviation of this population’s sampling distribution?
The mean number of close friends for the population of people living in the U.S. is...
The mean number of close friends for the population of people living in the U.S. is 5.7. The standard deviation of scores in this population is 1.3. An investigator predicts that the mean number of close friends for introverts will be significantly different from the mean of the population. The mean number of close friends for a sample of 26 introverts is 6.5. Do these data support the investigator's prediction? Use an alpha level of .05. a. Please state both...
The mean number of close friends for the population of people living in the U.S. is...
The mean number of close friends for the population of people living in the U.S. is 5.7. An investigator predicts that the mean number of close friends for introverts will be significantly different than the mean of the population. The mean number of close friends for a sample of 26 introverts is 6.5. The standard deviation of scores in this sample is 1.3. Do these data support the investigator's prediction? a. State the null and alternative hypotheses in symbolic form....
1. A survey of 35 accountants shows the average salary is $60,000 with a population std...
1. A survey of 35 accountants shows the average salary is $60,000 with a population std deviation of $8,000. a) what is a 95 % confidence interval of the true mean of the population.? b) What is the margin of error ? 2. The average time to be served at a diner is 10 minutes with a standard deviation of 3 minutes based on a survey of 20 customers. a) what is a 99 % confidence interval of the true...
The table below for the United States and Australia shows maximum feasible production rates per acre...
The table below for the United States and Australia shows maximum feasible production rates per acre of Wheat if no Canola is produced and maximum feasible production rates per acre canola of if no wheat are produced. Assume that the opportunity costs of producing these goods are constant in both countries. Output per Acre with Trade United States wheat 80 tons canola 48 tons Australia wheat 55 tons canola 70 tons For the United​ States, the opportunity cost of 1...
The average hemoglobin count in healthy adult females is approximately normal, with a population mean of...
The average hemoglobin count in healthy adult females is approximately normal, with a population mean of 14. Suppose a female patient had a hemoglobin test each month last year, and the results were: 18        22        20        16        19        14 20        15        19        17        20        18 a. Find the sample mean and standard deviation. b. At alpha = 0.01 does this indicate that this patient has a higher average than the general population?
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT