a)The distribution of X iswith an expected value ofand a standard deviation ofRound your answer to 4 decimal places. .b)The sampling distribution of p is: (Choose all the correct choices, marks will be subtracted for incorrect choices.)O skewed to the leftO continuousO discreteO skewed to the rightO symmetricO binaryO binomialO approximately normalO normal It is suspected that 25% of children may have an adverse reaction to the new RTS,S/AS01 (RTS,S) vaccine that was recommended in October this year bythe World Health Organization for the prevention of P. falciparum malaria in children living in the sub-Saharan Africa, where transmission is moderate tohigh. Suppose the Health Science Faculty of UP is going to test the vaccine on 120 patients.Let: X = the number of children who experienced an adverse reaction.sample proportion of children who experienced adverse reaction.120p =

The central limit theorem explains that, sampling distribution of the sample proportion p…

Answered: a) The distribution of X is with an…

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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Use a normal approximation o find the probability of the indicated number of voters. In this case, assume that 118 eligible voters aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted. Probability that exactly 32 voted The probability that exactly 32 of 118 eligible voters voted is ?. (Round to four decimal places as needed.)
IH a lårge population of fish, the proportion of angel fish is Let P be the random variable that represents the sample proportion of angel fish for samples of size n drawn from the population. Find the smallest integer value of n such that the standard deviation of P is less than or equal to 100
K A study was done on proctored and nonproctored tests. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal A. Ho H1 H2 H₁ H₁ H₂ ỌC. Hồ Hi-12 H₁: Hy > H₂ 0 в. Но 141=12 H₁ H₁ H₂ O D. Ho 11 #₂2 H₁ H1 H₂ The test statistic, t, is (Round to two decimal places as needed) The P-value is (Round to three decimal places as needed.) State the conclusion for the test. Proctored Nonproctored H 144 n 34 CIXS 77.58 11.08 12 31 81.91 21.24 A. Reject Ho There is sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. OB. Fail to reject Ho. There is sufficient evidence to support the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests. C. Fail to reject Ho. There is not sufficient evidence to support the…
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A computer selects a number X from 4 to 11 randomly and uniformly. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - U(| b. Suppose that the computer randomly picks 39 such numbers. What is the distribution of a for this selection of numbers. a - N( c. What is the probability that the average of 39 numbers will be less than 6.6?
ind the standard error of the mean for each sampling situation (assuming a normal population). (Round your answers to 2 decimal places.) Standard Error (a) σ = 18, n = 9 (b) σ = 18, n = 36 (c) σ = 18, n = 144
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Suppose X has a normal distribution with mean 80 and standard deviation 5. What type of variable is X? Group of answer choices discrete and finite discrete and countably infinite continuous and countably infinite continuous and uncountably infinite (I AM NOT SURE IF IT IS C OR D SO I NEED HELP!)
A normal distribution has a mean of u 100 with o 20. If one score is randomly selected from this distribution, what is the probability that the Score will be fess than X84? O 02119 60.7881 O O5762 0 0 2881
323 and o = A population of values has a normal distribution with sample of size n = 15. You intend to draw a random 34. a. Find P22, which is the score separating the bottom 22% scores from the top 78% scores. P22 (for single values) = Round to 4 decimal places. b. Find P22, which is the mean separating the bottom 22% means from the top 78% means. P22 (for sample means) = Round to 4 decimal places.

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