You are performing a right-tailed test. If α=.005α=.005, find the critical value, to three decimal places.

Q: You are conducting a study to see if the probability of catching the flu this year is significantly…

A: Claim : the probability of catching the flu this year is significantly more than 31%Test statistic :…

Q: You are conducting a study to see if the proportion of women over 40 who regularly have mammograms…

A:

Q: In a trial of 185 patients who received 10-mg doses of a drug daily, 48 reported headache as a side…

A: We have given that,  Favorable cases (X) = 48 and sample size (n) =185 Then,  We will find sample…

Q: A random sample of 5000 people was conducted to determine whether the proportion of Indiana…

A: The question is about hypo. testing Given : Popl. prop. of residents who own an "iph" ( p ) = 57 % =…

Q: You are conducting a study to see if the accuracy rate for fingerprint identification is…

A: The information provided in the question are as follows :- Population proportion  p=38% and the…

Q: Calculate the standard score of the given x value, x=41.3x=41.3, where x‾=41.4x‾=41.4, s=6.8s=6.8.…

A: Givenx=41.3Mean(x)=41.4standard deviation(s)=6.8

Q: Pearson’s r(50) = .75, p = .03 can be interpreted as:

A: Solution-: Given: Pearson's r=0.75 and p=0.03 We want to interpreted it.

Q: you obtain a test statistic of z = 2.33 Find the p-value accurate to 3 decimal

A: It is given that, the z test statistic is 2.33.

Q: Ocean currents are important in studies of climate change, as well as ecology studies of dispersal…

A: x y x2 y2 xy 76 14.2 5776 201.64 1079.2 79 19.6 6241 384.16…

Q: Pearson's r: what does this mean r = .94, p = .01?

A:

Q: You are conducting a study to see if the proportion of voters who prefer Candidate A is…

A: Solution: State the hypotheses. Null hypothesis: H0: p≤0.50 Alternative hypothesis: H1: p>0.50…

Q: You are conducting a study to see if the proportion of voters who prefer Candidate A is…

A: Given: Test statistic z= 1.42 P- value: The P-value is obtained Excel function “=NORMSDIST(z)”.

Q: feels that the commute in his city is less and wants to publicize this. He randomly selects 25…

A: The hypotheses are given as follows: Null hypothesis: µ=25.4. Alternative hypothesis: µ<25.4.…

Q: You are conducting a study to see if the accuracy rate for fingerprint identification is…

A: We have to find p value for given z statistics..

Q: Ex. X = 400 Y = 700 Exr = 15, 000 Σε X2 = 16, 229 y2 = 50, 000

A:

Q: A random sample of 5000 people was conducted to determine whether the proportion of Indiana…

A: sample size(n)=5000x=2773sample proportion()=population proportion(p)=0.57

Q: Find the critical t -value for a one tailed test with a = 0.05 and df = 2. Give your answer to…

A: Given, One tailed test  α=l.o.s.=0.05 d.f.=n-1=2

Q: r = 0.935 Predict the number of calories a toddler consumes who remains at the table for 13 minutes…

A: The regression equation is given by  Y = 188 × 1.9*x, Where Y = Number of calories,  X = time…

Q: Using the LSRL, y hat = -25.5+1.5x, what is the residual for the data point at (28,19)

A: Linear regression: Suppose (x1, y1), (x2, y2)---(xn, yn) are n pairs of observations on variables X…

Q: You are conducting a study to see if the proportion of women over 40 who regularly have mammograms…

A:

Q: The life expectancy of a fluorescent light bulb is given by the number of hours that it will burn.…

A:

Q: If I were to calculate the z-score for your final grade in this class, which z-score would you least…

A: If I were to calculate the z-score for your final grade in this class, which z-score would you least…

Q: A regression was run to determine if there is a relationship between hours of study per week (xx)…

A: The regression is y-hat = a+bx = 33.15+5.525x

Q: José makes a score of 70 on an exam (e.g., his "little x" = 70). Suppose that the percentile…

A: Given information Jose makes a score of 70 on an exam, his percentile is 70th So, it means 70% of…

Q: You are conducting a study to see if the accuracy rate for fingerprint identification is…

A:

Q: s to know the proportion of her fans who listened to her new single ME! within the first hour of it…

A: aylor Swift wants to know the proportion of her fans who listened to her new single ME! within the…

Q: A classifier of fake banknotes s being tasted to see how rdiable if can detect real banknotes from…

A: Given Information: Confusion matrix of 3 days in a bank is given. Day 1:   No Yes No 15 35…

Q: Ocean currents are important in studies of climate change, as well as ecology studies of dispersal…

A: (a)   Obtain the values of given sums.   The values of given sums is obtained below as follows:…

Q: Suppose John has a torn tendon and is facing surgery to repair it. The surgeon explains the risks to…

A:

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

A: From the above given scatterplot  a. The scatterplot (a) gives the strong positive correlation…

Q: You are conducting a study to see if the proportion of men over 50 who regularly have their prostate…

A: Given,  Z=2.968 And Test is two tailed test.

Q: onsider the following data: - 4 - 3 - 2 - 1 P(X = x) 0.2 0.1 0.2 0.1 0.4 Step 4 of 5: Find the value…

A:

Q: You are conducting a study to see if the probability of catching the flu this year is significantly…

A: The value of test statistic is x=-1.54

Q: Find the t –value from 20 degrees of freedom with alfa = 10% in two tails

A: Given,degrees of freedom(df)=20α=0.1

Q: (a) Verify that Ex = 477, Ey = 86.8, Ex² = 62,029, Ey² = 2028.68, Exy = 11036.6, and r = 0.93853. Ex…

A: a. The provided information is x days y km/100 xy x*x y*y 72 14.7 1058.4 5184 216.09 76 19.5…

Q: Find the mean value of y = x Between x = 1 and x = 2

A: