A random sample of size n= 548 from a population whose parameter is p 0.48. a. What is the mean of the distribution of sample proportion? Round the answer accurate to 2 decimal places. %3D b. What is the standard deviation of the distribution of sample proportion? Round the answer accurate to 2 decimal places.

** I already have answers a-b … I just need help with letters c-d***

For the data shown, answer the questions. Round to 2 decimal places. 4.9 2.3 3 19.7 19.8 Find the mean: Find the median: Find the sample standard deviation:

(N ***. For the data shown, answer the questions. Round to 4 decimal places where possible. 28.5 28.8 18.7 12.9 1.5 26.7 Find the mean: Find the median: Find the standard deviation: Focus 33 words English (United States) - 三

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Draw the normal curve using the data given b. x = 83. s = 6 a.x = 30. s = 8 %3D

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For the data shown, answer the questions. Round to 4 decimal places where possible. 3.8 3.7 12.5 26.7 21.1 2.8 19.9 7 Find the mean: 12.2125 Find the median: 9.85 Find the standard deviation: 9.3137

A simple random sample of 736 photographers found that 65% plan to purchase new equipment within the next year. Data follows the normal curve. What is the SD of the sample? Round to three decimal places. Typed and correct answer please. I ll rate accordingly.

K A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.26 lb, the mean of all of the weights is x=2.312 lb, and the standard deviation of the weights is s = 1.118 lb. a. What is the difference between the weight of 5.26 lb and the mean of the weights? b. How many standard deviations is that [the difference found in part (a)]? c. Convert the weight of 5.26 lb to a z score. d. If we consider weights that convert to z scores between 2 and 2 to be neither significantly low nor significantly high, is the weight of 5.26 lb significant? a. The difference islb. (Type an integer or a decimal. Do not round.) View an example Get more help. ... Clear all Check answer Incor