Consider the situation in which we ask 41 students to select their preference between studying alone or studying groups. The results were 17 prefer the studying alone and 24 prefer studying in groups. The chi-square value is

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A: The mean is 29 and the standard deviation is 3.5.

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Q: F. 9. From a class of 32 girls and 18 boys, how many study groups of 3 girls and 2 boys can be…

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Q: 29. If P(E) = 0.842, what is the value of P(E)?

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Q: (c) Calculate the value for the test statistic, x', for Ho: o = 40.2, n = 23, s = 37.7. %3D (d)…

A: Solution: c. From the given information, H0: σ=40.2, n=23 and s=37.7.

Q: a) What proportion of rods has a length less than 24.9 cm? 0.0477 (Round to four decimal places as…

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Q: 10. Mary had exams in Statistics and Intro to Social Welfare. On the Statistics exam, µ = 30 and o =…

A: Statistics exam  μ=30, σ=5, X=45 Social welfare μ=60, σ=8, X=68 FarmulaZ score=X-μσ

Q: no Imutogiamis Compare! 4. Whitney is baking cupcakes for a school bake sale. The first night she…

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A: It is given that  For man: Mean = 69.3 Standard deviation = 2.65   For women: Mean = 64.6 Standard…

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Q: The Mean of X is 5 and its SD is 3. The Mean of Y is -2 and its SD is 6. Find A and B, both greater…

A: Given that X follows Normal(mean=5, SD=3) Then Z=(X-mean)/SD= (X-5)/3 follows standard normal…

Q: 3. Performance scores are collected for 10 individuals and those scores are 17, 12, 20, 11, 8, 18,…

A: Given:Collected 10 individuals scores are, 17, 12, 20, 11,  8, 18, 17, 9, 12 and 15.

Q: Q1 630 Given 10 Represent the answer using three (3) significant figures by applying + 541 70 (a)…

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Q: Given the u = 38.27 and o = 3.56, compute the z- score that corresponds to the given score X =…

A: Given that :  u = 38.27 Standard deviation = 3.56 X = 35.52 By using standard normal distribution  Z…

Q: An archaeological excavation at Burnt Mesa Pueblo showed that about 10% of the flaked stone objects…

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Q: If p (a) = 0.999 what is the value of p(a)

A: From the given information, P(A)=0.999. Then, the value of complement of A is

Q: n. (p + q) Ð (¬p ++ q) o. (-p+¬q) → (q → r)

A: We will find out the required truth table.

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Q: a. How many murders per 100,000 residents can be expected in a state with 2.2 thousand automatic…

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Q: How will you formulate the coefficient of range as per the given largest value = 40 and smallest…

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Q: With these numbers, I calculated the average to be 3.9828. How do I calculate the uncertainty in the…

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Q: In some 4.0 grading systems, a student's grade point average GPA is calculated by assigning letter…

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Q: Suppose p varies directly with q and that p = 24 when q = 8. What is the value of p when q 4? %3| p…

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Q: n = 3 = 5.196 27 10.392

A: Mathematical calculus is based on the concept of limits. Some of the most famous examples using…

Q: If P(A) = 0.431, what is the value of P(A)?

A: Given :  P(A)  = 0.431

Q: An archaeological excavation at Burnt Mesa Pueblo showed that about 10% of the flaked stone objects…

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Q: What would be the frequency of the class 35 up to 45, that is {x; 35 ≤ x < 45}

A: Given that Stem part contains 10s digit And leaf part contains 1s digit i.e For example, 3|5 = 35

Q: What is the value qf (X+ 1) for the following score: 1, 0, 1, 4 O 10 0 9 O 6 4

A: We have given that,  We have to find the value Σ(X+1) = ?      When scores X = 1,0,1,4

Q: me Using Chebyshev's theorem, find the percentage of runners who ran this road race in 80 to 140…

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Q: what is the ss(xy) ? and the corrleation coefficient,r  ?

A: Given  X                Y 117           3.9 93             2.7 102           2.9 88            2.4…

Q: ss the following sta Jane has $10 and her sister Mary has $x. How many dollars do they have…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: The table below shows the number of people who go to different sittings at a bingo hall. 4. 9:30pm…

A: Given query is to find the fraction of senior citizens and the number of cups of coffee were bought.

Q: The table below sows the number of hate crimes for 2007 to 2018. The value for 2007 is slightly…

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