The conditions for a sampling distribution of a sample proportion, when you do no know the true proportion, are: Randomization, 10% Condition, Success/Failure Condition Randomization, 10 % Condition, Nearly Normal Condition Randomization 10% Coo

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Q: The reason why samples are selected at random is

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Q: 1. Find the value of za/2 given a 92% degree of confidence 2. Find p and ĝ if n = 75 and X = 20

A: we have to find the critical value of Z at 92% confidence interval.

Q: "According to Dietary Goals for the US (1977), high sodium intake may be related to ulcers, stomach…

A: It is given that: μ0 (claimed average sodium content)=220 milligramsn (sample size)=21x¯ (sample…

Q: sed the equation: b=sp/ssx b= -1821.89/2449.56=-.74 to compute a, I used the equation: a=My-bMx…

A: X Y 1 60 55 2 30 80 3 24 78 4 12 88 5 45 51 6 33 46 7 52 37 8 20 62 9 10 75…

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Q: All of the following are examples of discrete random variables except O population of a city time O…

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Q: iewing stud indomly kindergarten students showed that they have seen on average 5000 hours of…

A: Given:  X be the  nonpf hours children watch television  Sample size n=415  Sample mean =5000…

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Q: What is the equation of the regression line to predict the UPCAT Score given the Senior High School…

A: Given: Students Senior high ave, X UPSAT, score, Y 1 88.5 57.3 2 81.6 63.8 3 91.9 81 4…

Q: In 2020, the national registry showed that 1,528,684 babies were born. Philippine census in June…

A: The question is about demography Given : No. of total registration of babies were born = 1528684…

Q: Question 2: Logistic Regression For questions 9 - 11, use the model below where the data contains…

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Q: Question 3: Statistical Inference 15. The mean service time at the McDonalds in Kennedy Town is 3…

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A: Given problem Given that   A 30-year-old woman purchases a $100,000 term life insurance policy for…

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Q: 1. The 50 measurements of acid rain in Wisconsin, whose histogram is given on the cover page of the…

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Q: In a clinical trial for the use of Medicine X, patients were coded respectively. The assignment of…

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Q: Scatterplot (a) Scatterplot (b) Scatterplot (c) Scatterplot (d)

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Q: In 2020, the Philippine mid-year population is estimated at 109,581,078 people. That year, a total…

A: Given that: The Philippine mid-year population is estimated as 109,581,078 people in the year 2020.…

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Q: The data below show the weights of 14 different dogs that visited a veterinarian on one day.…

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Q: If HO : μ 30 HA : μ #30 Ο HA : μ30 Ο all above Ο

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Q: The accompanying table shows the data from a researcher studying the reaction times of rats. He has…

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Q: Suppose a fair coin is tossed 3 times. Find the probability distribution for the number of tails…

A: Given : Experiment :  A fair coin is tossed 3 times Possible outcomes : Ω = { HHH , HHT , HTH , THH…

Q: You measure 24 dogs' weights, and find they have standard deviation is 5.1 ounces. Based on this, wh…

A: 24 dogs weights measured; n=24 Population standard deviation is 5.1; σ=5.1 confidence level = 95% So…

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Q: Assume a significance level of a = 0.01 and use the given information to complete parts (a) and (b)…

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Q: In an agricultural experiment, 20 small plots of land were randomly assigned to two varieties of…

A: There are two independent samples which are variety A and variety B. We have to test whether the…

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Q: (a) State the null hypothesis H, and the alternative hypothesis H1. H, :0 H :0 (b) Determine the…

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Q: Common pitfalls in Casual research except: 1. all of the above 2. bias 3. random error 4. none of…

A: Pitfalls in Research: In a research study, when we conduct it and analyze it to obtain results,…

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Q: d) If U = X + Y and V = Y – X, find i) The Jacobian value of U and V J(U,V)

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Q: Part 3: Communication The scores for a prevision-driving test for prospective drivers at a transit…

A: Given,mean(μ)=100standard deviation(σ)=15

Q: 1The number of workers in five outlets of fast food restaurant are 12, 17, 13, 14 and 14. Treating…

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Q: How do you calculate this on a TI-84 calc?

A: It is given that n =32 and p=0.59.

Q: random variables X and Y have a joint probability density function given by , y) = way, 0 < x < 3…

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Q: A local radio station claims that 54% of the population who listen to radio broadcast are listening…

A: We have given thatn = 250x = 67p̂ = x/n = 67/250= 0.268p = 0.54α = 0.05

Q: The population size of Batangas in 2015 is 2,600,000. This increased to 2,908,494 based on the last…

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Q: The events A and B are such that ?(?) = 4/9?(?|?) = 1/2?(? ∪ ?) = 2/3 (i) Draw a Venn diagram to…

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Q: It is assumed that the average Triglycerides level in a healthy person is 130 unit. In a sample of…

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Q: Find the P-value: Type your answer as a decimial rounded to three decimal places. Do not type a…

A: Hypothesis test are used to determine the significance between the sample and population. Each…

Q: A dataset shows the number of capital letters that a student can write in 15 seconds using the non-…

A: Given that