You measure 44 dogs' weights, and find they have amean weight of 80 ounces. Assume the populationstandard deviation is 12.9 ounces. Based on this,construct a 95% confidence interval for the truepopulation mean dog weight.Give your answers as decimals, to two placesounces

You measure 44 dogs' weights, and find they have a mean weight of 80 ounces. Assume the population…

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The manager at UPS feels that the weights of packages shipped recently are less than in he past. Records show that in the past packages have had a population mean weight of 36.7 pounds and a population standard deviation of 14.2 pounds. A random sample of last month's shipping records yielded a sample mean weight of 32.1 pounds for 64 packages. Does this indicate that the weights of packages recently shipped is less than 36.7 pounds? Use a = 0.01. Use the Classical Approach.
00 HI T R of of It takes an average of 13.2 minutes for blood to begin clotting after an injury. An EMT wants to see if the average will change if the patient is immediately told the truth about the injury. The EMT randomly selected 70 injured patients to immediately tell the truth about the injury and noticed that they averaged 13.4 minutes for their blood to begin clotting after their injury. Their standard deviation was 3.52 minutes. What can be concluded at the the a = 0.10 level of significance? %3D a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Select an answer O Select an answer C. The test statistic ? 0 is 0.475. Enter it here (please show your answer to 3 decimal places.) d. The p-value is 0.6360211626. Enter it here (Please show your answer to 4 decimal places.) e. The p-value is ? a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that O The data suggest the population mean…
A particular fruit's weights are normally distributed, with a mean of 399 grams and a standard deviation of 32 grams. The heaviest 6% of fruits weigh more than how many grams? Give your answer to the nearest gram. Question Help: Video Submit Question
A group of 70 Western Grey Squirrels were studied in Los Angeles . The sample mean of these squirrels was found to be 1.73 pounds. Based on previous studies we can assume that the standard deviation of this squirrel population, o, is 0.13. 1. Find a 90% confidence interval for the average weight of Western Grey Squirrels in the study region. (Round to three decimal places) ter 2. Interpret your result. Make sure to answer both questions. Write down what test you used from your calculator and the values you entered.
please help me answer this all. if i divided it it just became hard explain it. please i give a thumbs up. answer this.
A California lake has been stocked with rainbow trout. These trout have an average length of 24 inches, with a standard deviation of 3 inches. Someone goes fishing and catches a trout that is 26.25 inches long. Express the length of this trout in standard units, relative to all the trout that were used to stock the lake. Choose the answer below that is closest.
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In the 1992 presidential election, Alaska's 40 election districts averaged 1980 votes per district for President Clinton. The standard deviation was 573. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places.PLEASE ANSWER C, D AND E AND ROUND TO THE 4 DECIMALc. Find the probability that a randomly selected district had fewer than 2062 votes for President Clinton. d. Find the probability that a randomly selected district had between 2052 and 2347 votes for President Clinton. e. Find the first quartile for votes for President Clinton. Round your answer to the nearest whole number.
Give your opinion on this. Greek letters are used for statistics as opposed to parameters.
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A particular fruit's weights are normally distributed, with a mean of 323 grams and a standard deviation of 7 grams.The heaviest 18% of fruits weigh more than how many grams?Give your answer to the nearest gram.

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You measure 44 dogs' weights, and find they have a mean weight of 80 ounces. Assume the population standard deviation is 12.9 ounces. Based on this, construct a 95% confidence interval for the true population mean dog weight. Give your answers as decimals, to two places ounces