Assuming that the samples comes from normal distributions, find the margin of error E, given the following: X = 80. 4, X = 90. 8, a. n= 23, s = 3.6 99% confidence b. n= 26, s = 2.8, 99% confidence

Q: Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A…

A: Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A…

Q: In a static mechanical system, the equilibrium is described by the following three linear equations…

A:

Q: A bag of M&M's has 3 red, 8 green, 5 blue, and 2 yellow M&M's. What is the probability of randomly…

A: Number of red M&M = 3,Number of green M&M =8,Number of blue M&M =5 andNumber of yellow…

Q: n 2) Recall that the binomial coefficient is defined to be k 1 + 1 ("7' n! n п - k! (п — k)! Prove…

A:

Q: ,please help with homework question

A: A.Conditions:The conditions for the two proportion test for sample size n1 and n2 the sample…

Q: Suppose that E (X1) =4 What is the Mean square Err What value of p minimizes t

A: Given: E (X1)=4, V (X1) = 6E (X2)=4, V (X1) = 8 (a) Mean square error of μ^=X13+X22: Expected value…

Q: help me fix a         thank you!

A:

Q: Question 6 Assume that lim f(x) = 2. For each part below, calculate the limit or determine that it…

A: according to guide line we do first three parts of multiple questions    (6)   given…

Q: C) Give a convincing argument that [ f(x)dx=1 Hint: Show that 01, and for b>1, Se-x/² dx →0 as b→∞.

A: To fully understand and work with the problem and the argument provided, you should have a strong…

Q: 14) Suppose that an honest coin is tossed ten times. What is the probability that it will come up…

A: Let p be the probability of getting head  n be the number of coin tossed  X be the number of getting…

Q: The mean of the sampling distribution of means, µã =µ i.e., E(X)=u

A:

Q: 34% of all college students major in STEM (Science, Technology, Engineering, and Math). If 46…

A: Answer Given P =34%sample size [n] =46x =14

Q: log0.25

A:

Q: lamda A= ay %D MD 10

A: Given λ=ay/MD

Q: Inx dx

A: Substitute Ln(x) = t and use integration by parts.

Q: d) Find the odds against each event in parts a) through c). The odds against the person using…

A: From #a- #c are correct d) The odds against the person using website B are:P(B'):P(B)=1-1150:…

Q: 5. 64 - 40ab 6.36a? + 24a 360 8. 12ab3 + 206 9. 10x + 5x

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 9 AC = 30 ft AB = 13 ft EB = 8 ft A- C B 12 4.3 cm 5.1 cm 2.7 cm 6 m 9.8 cm

A: 9. The triangles ABE and ACD are similar triangles. Therefore, ABAC=EBDC1330=8pp=81330p=18.46 Thus,…

Q: (2 – 5V3)?

A:

Q: Private nonprofit four-year colleges charge, on average, $27,105 per year in tuition and fees. The…

A: