Find 95% confidence interval for the population mean, if the sample size is 40, the sample mean is 520 and standard deviation is 35? Sketch the graph?
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Find 95% confidence interval for the population mean, if the
is 40, the sample mean is 520 and standard deviation is 35? Sketch the graph?
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- The graph of the waiting time(in seconds) at a red light is shown below on the left with its mean and standard deviation. Assume that a sample a size of 100 is drawn from the population. Decide which of the graphs labeled (a)-(c) would mostly closely resemble the sampling distribution of the sample means explain your reasoningAsap Find the z-score that is greater than the mean and for which 70% of the distribution is shaded to the right.A researcher believes the mean weight of male turtles is more than 205 pounds, she samples 18 male turtles and finds their mean to be 216.2 pounds with a standard deviation of 13.5 pounds. Find the P value
- The distribution of scores has a mean of 92 and standard deviation of 6. Explain why these scores might NOT be normally distributed.What is the 75th Percentile of a data set when the Inter Quartile Range (IQR) is 12.5 and the first quartile is 8.5?E). RE-WRITE ~(p Ú ~q) IN SYMBOLS USING ONE OF DE MORGAN’S LAWS, (AS ACONJUNCTION) F). RE-WRITE YOUR ANSWER IN (E) ABOVE IN SYMBOLS G). WRITE THE CONDITIONAL IN PART “A” ABOVE AS A DISJUNCTION H). FROM THE CONDITINAL IN APRT A, WRITE THE CONVERSE, INVERSE AND THE CONTRAPOSITIVE. (LABEL YOUR ANSWERS). VIII Write the converse, the inverse and the contrapositive of the following statement If it is raining today, then I stay home IX Determining Whether each Biconditional is True or false (a). 6 + 8 = 14 if and only if 11 + 5 = 16 (b). 6 = 5 if and only if 12 ≠ 12 (c). 5 + 2 = 10 if and only if 17 +19 =36
- If the number of degrees of freedom for a chi-square distribution is 32, Determine the population mean and standard deviation. Please explain how you derived the answerThe scores on a standardized test are normally distributed with a mean of 120 and standard deviation of 20. What test score is 0.9 standard deviations above the mean?If a data set has 15 mean standard daviation 2 , percentage observation lie between 13 and 17
