A two-tailed test, computed t-value = 1.845, df = 10 O 0.025 > 1/2 p > 0.05 0.05 > p> 0.10 O 0.05 > 1/2 p> 0.025 O 0.10 > p> 0.05

Q: A survey was given asking whether people like dogs and/or cats. 180 said they like dogs 162 said…

A: From the provided information, Number of people who like dogs n(D) = 180 Number of people who like…

Q: Based on a sample of 60 men, 35% owned cats Based on a sample of 20 women, 55% owned cats The test…

A: Let's perform the calculations:For men:Sample size (men): n1 = 60Proportion of men who owned cats:…

Q: A businessman wanted to compare the level of satisfaction with service for his company (3 options…

A: The variables, in this case, are "level of satisfaction" and "region". As the variables are…

Q: how do I find the P-vaule

A: The p value is the probability of a particular statistical measure like mean or St deviation  Also…

Q: iven P(A) = 0.40, P(B) = 0.25, and P(B|A) = 0.11, what is P(A or B)?

A: Given,P(A)=0.40P(B)=0.25P(B/A)=0.11

Q: Based on a sample of 60 men, 35% owned cats Based on a sample of 20 women, 55% owned cats The test…

A: Men  : N1 = 60 p1 = 35% = 0.35 n1 = p1*N1 = 0.35*60 = 21Women : N2 = 20 p2 = 55% = 0.55 n2 = p2 * N2…

Q: If P(A or B) = 0.7 and P(A) = 0.44, and P(A and B) = 0.22, determine P(B)

A:

Q: The percentage of hands that are winning blackjack hands is enter your response here​%

A: Since we have calculated probability of selecting a black jack hand is P(Black Jack hand) = 64/1326…

Q: A polling agency claims that over 40% of adults shop for a gift within a week of an event.  In a…

A: We have given that p = 40% = 0.40  n = 2730x = 1130p̂ = x/n = 1130/2370 = 0.4139Significance level…

Q: Based on a sample of 60 men, 35% owned cats Based on a sample of 20 women, 55% owned cats The test…

A: First sample (Men), Number of men n1= 60Proportion of men who owned cats, 1=0.35Number of men who…

Q: If Julio’s score on an IQ test is 73, what is his score as a z score? (M = 100, s = 15)

A: The z-score is obtained below: From the given information, the Julio’s score on an IQ test is 73.…

Q: SAT Math Suppose that scores on the SAT Math test are approximately normal with a mean of 500 and a…

A:

Q: 1. The table shows the number of deaths in the U.S. in a year due to a variety of causes. For these…

A: The total population of the USA is given to be312 million. The table below shows the number of…

Q: test was made of h0: u1=u2 versus h0: u1

A: Solution

Q: n1 = 55 and n2 = 65  p1 = .7 and p1 = .6.  Ho:(p1-p2)=0 against Ho:(p1-p2)>0 using a=.05

A:

Q: can this be solved using a z score table

A: Z-score table :  It helps to know the percentage the value of below the z-score . * It is for…

Q: Suppose P(A) = 0.18, P(B)= 0.38, P(A | B) = 0.51 What is P(A and B)?

A: Answer: From the given data, P(A) = 0.18 P(B) = 0.38 P(A|B) = 0.51

Q: The variable with the largest positive Pj – Zj value is the a. artificial variable b. entering…

A:

Q: The table shows the number of one doctor's patients who caught a cold one week and whether or not…

A:

Q: #1|A faculty textbook committee at the University of North Carolina at Chapel Hll wanted to…

A:

Q: Who Loves Dogs More?  A random sample of 180 U.S. households found that 62 of them had at least one…

A: Given: n1=first sample size=180n2=second sample size=200 Number of favorable cases in first…

Q: A sample of 425 voters aged 18 – 25 were asked whether they thought Social Security benefits should…

A: Given information- Significance level, α = 0.05 Let, p1 = proportion of voters aged 18 – 25 were…

Q: A survey was given to 247 people asking whether people like dogs and/or cats. 148 said they like…

A: Given information 148 like dogs 132 like cats 56 don’t like cats or dogs  Venn Diagram

Q: USE 2 DECIMAL Researchers conducted a study to estimate the relationship between a subject's brain…

A:

Q: Given that P(A and B) = 0.20 and P(A|B) = 0.40, what must the P(B) = ?

A: Given data, P(A∩B)= 0.20, P(A/B)= 0.40Conditional probability P(A/B) = P(A∩B)P(B)0.40 =…

Q: A sample of n equals 20 scores is transformed into z-scores what is the meaning for the set of 20…

A:

Q: To get a grade of A-, a student must have a mean average of 90 or greater.  Jim has a mean average…

A:

Q: which valves have a 2-score less than 2.5

A:

Q: Find the value of the test statistic. (Round your answer to two decimal places.) z--4.00 Find the…

A: There are 251 better, 303 worse and 46 about the same.

Q: Recent polls indicate that if a federal election would be held today, 35% of Canadian voters would…

A: Given:p = population proportion = 35% or 0.35 n = 441Note:The sampling distribution of the…

Q: What does the P-value represent

A: The P-value is the probability of getting test results as extreme as possible as observed results,…

Q: Use the p-value to draw and explain your conclusion of the test

A: Solution: Given information:  The value of the test statistic is  t= 1.9781  Degree of freedom = df…

Q: Explain about two-tailed p-values.

A: Two tailed test: In two tailed test, the rejection lies in both sides. That is less than or greater…

Q: What is the weakness of p value approach?

A: p-value is basically the probability that the null hypothesis is false. Interpretation: If p-value…

Q: okay but is the p value GIVEN by the t test lower?

A: The graph shows the comparison of the group averages of static balance on left leg with eyes open vs…

Q: What is the value of ΣX2 for the scores 2, 4, and 5?

A: The scores are given as 2, 4, and 5.

Q: Explain what variables would require a one-tailed test and what variables would require a two-tailed…

A: To find, Explain what variables would require a one-tailed test and what variables would require a…

Q: The expression S(Xi) directs us to find the  sum of scores median  average of the scores  middle…

A: The expression S(Xi) directs us to find the sum of scores

Q: A reporter for a local television station visits the city's new upscale shopping mall the day before…

A: In convenience sampling, the individuals that are selected for the sample is easiest to access and…

Q: To get a grade of C + , a student must have a mean average of 77 or greater. Jim has a mean average…

A: Jim has mean average of 76 for 10 quizzes. i.e. Jim has scored total of 76×10=760, combining all 10…

Q: What is the PMT?

A: What is the PMT?

Q: (a) Find the number of these patients that had either high blood pressure or high cholesterol…

A: A survey was conducted among 68 patients admitted to a hospital cardiac unit during a two-week…