Privacy Find the mean and standard deviation of the sampling X (b) What is P (X>93.5) ? At-test is used to test the null hypotheses Ho:µ = 100. b. (Distribution skewed right, left, normal, uniform, unknown, normal) Find the mean and standard deviation of the sampling distribution of X. An example of a simple random sample would be the names of 25 employees being chosen out of a hat from a company of 250 employees. 2 See answers dfbustos dfbustos Answer: Where the mean and the deviation. suppose a simple random sample of n=1136 college students with cellphones is obtained. Suppose a simple random sample of size n = 1000 is obtained from a population whose size is N = 1,500,000 and whose population proportion with a specified characteristic is p = 0.76. Alternative Hypothesis: µ1 not equal µ2 Hence, the correct answer is opt... Q: Heights of 10 year old children, regardless of sex, closely follow a normal distribution with mean 5... A: Note: (a) Describe the sampling distribution of p. OA Approximately normal, HA = 0.76 and 6- = 0.0002 OB Approximately normal. d) What is P (66.95 < x < 76.4)? Suppose a simple random sample of size n = 10 is obtained from a population withµ= 66 and a= 14. The summary of statistics is, Determine the mean of the sampling distribution of p. = 0.4 (Round to one decimal place as needed.) N=2,000,000. Suppose a simple random sample of size n=42 is obtained from a population with Î¼=66 and Ï=15. Click here to view the standard normal distribution table (page 1). 0 Suppose a simple random sample of size n=81 is obtained from a population with u = 90 and 6 = 18. Suppose a simple random sample of size n=49 is obtained from a population with u=71 and o=21. Suppose a simple random sample of size n is drawn from a large population with mean \\mu and standard deviation \\sigma . Please answer questions (1) through (5) below. The sampling distribution of x overbarx will have mean mu Subscript x overbarÎ¼xequals=muÎ¼ and standard deviation sigma Subscript x overbar Baseline equals StartFraction sigma Over StartRoot n EndRoot EndFractionÏx= Ï n. What is the sample mean’s variance and standard deviation? Suppose a simple random sample of size n is drawn from a large population with mean \\mu and standard deviation \\sigma . 81 8.1.15 Suppose a simple random sample of size n 49 is obtained from a population with u 79 and a =14. X*X a) What is the probability that the sample mean is with +/-5 of the population mean? 14, 06, 03, 02, 02, 09. Complete parts (a) through (c) below. Complete parts (a) through (c) below. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities regarding the sample mean? Round answer 4 decimal places. Suppose you want to take a simple random sample of size 6 from the 20 participants in your Zumba exercise class. Suppose a simple random sample of 60 managers is used. X*Y 19 Suppose a simple random sample of size n = 200 is obtained from a population whose size is N = 15,000 and whose population proportion with a specified characteristic is p = 0.8 . (a) through (c) below. â¦ This is given by "p-hat" = x ÷ n (where x is the number of individuals in the sample with the specified characteristic. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities regarding the sample mean? Suppose a simple random sample of size n=49 is obtained from a 15 Suppose a simple random sample of size n=49 is obtained from a population with u=77 and o=14? (c) What is the probability of obtaining x= 18 or fewer individuals with the characteristic? b) What is P(x 62.6)? The dependent variable must be continuous (interv... Q: Data are collected in an experiment designed to in- vestigate the impact of different positions of t... 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