na study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6962 subjects randomly selected from an online group involved vith ears. There were 1307 surveys returned. Use a 0.01 significance level to test the claim that the return rate is less than 20%. Use the P-value method and use the normal distribution as an approximation to the binomial distribution. Identify the null hypothesis and alternative hypothesis. O A. Ho p= 0.2 H p>0.2 O B. Ho p<0.2 H, p=0.2 C. Ho p=0 2 H p#02 D. Ho p=02 H p<0.2 O E. Ho p>0.2 H p=0.2 OF Ho p 02 H, p= 0.2 ues You answered ues al places as needed.) C. Ho p=0.2 H p 02 eues

Q: Stepl: What is u = ???? What is v = ???? What is du = ???? What is dv = ???? Step 2:

A: ∫x6 ln 3xdx Formula: ∫u d v= uv - ∫v du

Q: a. According to the graph, define the input and output variables, including units. b. Explain the…

A: a) In an experiment, there are two main variables:  Input variable - It is the variable that is…

Q: If the coefficient of determination is 0.81, then what is value of coefficient of non-determination?

A: It is given that The coefficient of determination  =0.81

Q: ta. b) Assuming a 5% level of significance, use hypothesis testing and the linear correlation…

A: Here heights (in inches) is an explanatory variable (x) and weights (in pounds) is predicted…

Q: Hi, how do you do this using excel functions sinstead of Z scores?

A: Given :  Each company earn an annual profit that is normally distributed :  µ is same for both…

Q: A study of bone density on 55 random women at a hospital produced the following results. Age 33 37…

A: Age 33 37 45 49 57 Bone Density 345 335 330 325 310

Q: iven P(E or F) = 0.86, P(F) = 0.15, and P(E and F) = 0.02, what is P(E)?

A:

Q: In a survey conducted by a reputable marketing agency, 248 of 1000 adults 19 years of age or older…

A: Here we have to complete the given blanks as per given information

Q: Given P(E or F) = 0.78, P(E) = 0.10, and P(E and F) = 0.18, what is P(F)?

A: Given that P(E or F) = 0.78, P(E) = 0.10, and P(E and F)=0.18

Q: Find the and interpret the LSRL as well as the coefficient of determination Protein Fat x = 18.0 g ỹ…

A: We have to calculate cofficients of regression line and also have to find cofficient of…

Q: In 2001, the polls found that 81% of American adults believed that there was a conspiracy in the…

A: The random variable believing conspiracy follows binomial distribution. The sample size is 1940. The…

Q: what is the variable of interest in the question? How many levels does it have and what are they?

A: No of Voters = 75  COVID-19 pandemic, a local precinct has conducted elections and the type of…

Q: = Suppose that P(A | B) = 0.76, P(A) 98.765). 0.47, and P(B) = 0.21. Determine P(BIA). Round your…

A: We have given that,  P(A|B) = 0.76, P(A) = 0.47 and P(B) = 0.21 Then,  We will find P(B|A) = ?

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard…

A: given datanormal distributionμ= 105σ = 15P(x&lt;120) = ?

Q: Jennifer wants to estimate the percentage of parents that use cloth diapers. She asks a randomly…

A: Solution: It is given that Jennifer wants to estimate the percentage of parents that use cloth…

Q: am having trouble understanding z-score. Ex: I am given z.1/2 = z.05 how do I find the z value? In…

A:

Q: a study was done involving data from all major US cities that compares the number of parks in each…

A: A study was performed based on the data from all major US cities that compares the number of parks…

Q: Basic computation: z score

A: Solution: Let X be the random variable with mean µ and standard deviation σ.

Q: What is wrong if you conduct a study and you calculated r=-3.0,then what?

A: If we conduct a study and got the correlation coefficient value (r) = -3.0

Q: A researcher want to know if there is a relationship between sleep and anxiety.  The researcher…

A:

Q: 1) Inspect the data and estimate the amount of blood lost due to one hookworm. (mL/day)

A: X Y (x-xbar) (x-xbar)^2 (y-ybar) (y-ybar)^2 (x-xbar)*(y-ybar) 24 12.2 -26.83333 720.02778…

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: What's the probability that one randomly selected whale has a weight of equal or greater than 2OMT?…

A:

Q: The mean time for the 100 yard dash for adolescents is 12.04 seconds (M = 12.04, s = 4.1). A runner…

A: Given :  The mean time for the 100 yard dash for adolescents is 12.04 seconds (M = 12.04, s = 4.1).…

Q: A farmer in Indiana wants to examine the relation between the number of very hot days temperature…

A: Hi, thanks for posting the question. Since there are more than three sub parts posted in the…

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: f ​P(E)=0.40​, ​P(E or ​F)=0.65​, and​ P(E and ​F)=0.05​, find​ P(F).

A: Here, P(E)=0.40, P(E or F)=0.65, and​ P(E and F)=0.05.

Q: Consider the following data: x −6 −5 −4 −3 −2 P(X=x) 0.2 0.2 0.2 0.2 0.2   Find the value of…

A: Consider the following data:   x −6 −5 −4 −3 −2 P(X=x) 0.2 0.2 0.2 0.2 0.2     Find the value of…

Q: When n=64 whales are randomy selected, what would be the standard error of the sampling…

A: Given,S2=16 MTx¯=18 MTn=64

Q: I use excel. I do not know what data anlysis toolpak to use, however, to find the answer, t stat,…

A: