Given that E(X) = 2.3 and Var(X) = 3.01, find the values of c, p and q. %3D

Q: solve the following P.D.E: a2..

A: In this problem. we use the method of separation of variables. Once we separate it we find the…

Q: Answer the following questions. About 68 percent of the 1. batteries failed between what two values?…

A: Empirical rule (68 – 95 – 99.7 rule): For a bell shaped distribution (normal) the empirical rule…

Q: Find the n amount, given that with a 95 percent confidence the error is by three percentage points…

A: Formula : Margin of error: ME=Zα/2 * √p̂(1-p̂)/n

Q: From the table below, find Bo , B, & show the best equation of the linear n estimate amount (Y) if…

A: Excel Procedure: Enter X and Y in Excel>Data>Data Analysis> ‘Regression’>Select Y under…

Q: Select the correct statement below   a) If the nineteenth percentile has a value of 0.8, this…

A: We know if X is pth  percentile value that means their are p percent values are less than X.

Q: What is the first step to solve this problem? o What is the value of y?

A:

Q: What is the value of d if "d varies jointly with x and z, when k-5, -2, and z-10"?

A:

Q: E? P = Solve for E R

A:

Q: What is the CALCULATIONS FOR THE t TEST?

A:

Q: gets per gai decrease in mileage? The percent of decrease in mileage is %. (Simplify your answer.…

A: Mileage of old car in Highway = 20 miles per gallon Mileage of new car in Highway = 14 miles per…

Q: What is the value of E(X+ 1) for the following scores? Scores: 1, 0, 1, 4 О а. 9 ОБ. 4 О с. б O d.…

A: Given data X = 1, 0, 1, 4 X + 1 = 1+1, 0+1, 1+1, 4 +1 = 2, 1, 2, 5

Q: If X-t(12), then the (97.5)th percentile of X is closest to: О а.218 O b. 2.44 O c. -2.44 O d. -2.18…

A: Probability distributions are of 2 types, discrete and continuous. The t distribution is a…

Q: FIND P VALUE, X^2, DF ( DEGREE FREEDOM )

A: As you say , you need only χ2 , p-valu , df: so,      Proportion Observed frequency (O)…

Q: You make four different, indpendent measurements of the resistance of a single 10K resistor and get:…

A: Answer :

Q: ey of 650 randomly selected Ohioans asked: "What would you do percent responded that they would pay…

A: At 95% confidence level, the z value is 1.96 which can be obtained by using the standard normal…

Q: For Exercise, solve for the indicated variable. IR K = for E

A: Given:

Q: What is the uncertainty or Standard Error for this difference in proportions? (F

A: Here For People uses Internet Regularly Sample Size=n1=1754 x1=807 p1^=8071754=0.46 Now For people…

Q: The E (|x − µ|²) is equivalent to

A: pdf ,-∞≤x≤∞

Q: For the numbers below, find the percent of cases falling above the z-score: a. 0.25 b. -2.0

A: Required probability is P(Z>0.25)

Q: Es. What is the lowest I.Q. score acceptable for the advanced training ?

A: Let X denote the IQ of army volunteers. Given that X follows N(mean = 110, SD = 10), then Z = (X -…

Q: Find the value of x. E B X =

A: Solve the following

Q: If the figures below are similar with a scale factor of 2:3, find the value of x 42

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

Q: What percentage of candidates will likely score below ftable is given as State of Nature Decision S1…

A: *answer:

Q: A restaurant owner wanted to improve the efficiency of her employees in an attempt to cut costs. One…

A: Given  Mean=mu=32.2 ,  Variance=sigma^2=0.4 X~Normal(mu=32.2,sigma^2=0.4)

Q: Use the following scores to find the value of Ex= 3 4 2. 2.

A: Given: x 3 2 4 2

Q: On a placement examination, Fatimah scored lower than 420 of the 980 students who took the exam.…

A: It has been given that Fatimah has scored less than 420 of 980 students which means her score is…

Q: A researcher reports an F-ratio with df= 3,27 for an indenpendant measure research study. a. How…

A: a. The given degrees of freedom are 3,27. The number of treatment conditions were compared in the…

Q: Find the value of x and mÕE, 3x (5x-34)° ore

A: Given : ∠OLE=3x∠OVE=5x-34   To find : m(OE⏜) and value of x.   Note : In a circle any two inscribed…

Q: Given the following information, describe the variation. x3 1.5 0.5 0.3 5 10 30 50

A:

Q: d. Find the Inter Quartile Range (IQR) for time spent at the hot springs. Q1: minutes Q3: minutes…

A:

Q: Q2/C/A coin is weighted so that heads is twice as likely to appear as tials then P(H) =

A: Given: A coin is weighted so that heads is twice as likely to appear as tails. We are asked to find…

Q: Use the cdf to determine E[X].

A: The E(X) using the cdf is calculated as E(X) = ∫(1 - F(x))dx Note : This formula can only be applied…

Q: d. To estimate p with E = .03, 95% confidence, andp thought to be approximately .70

A:

Q: Greg works as a carpenter. There is a 3 percent chance he loses a finger which they value at…

A: Given: Probability of losing finger is, PE=3%=0.03. Expected insurance value is, Ci=$200000. The…

Q: 60° 20x 7x+5 В

A: The given figure :

Q: АВС ~ ADY

A: Given That:- ΔABC ~ ΔADY AD=12, BD=8, DY=17, AY=15, CY=10, BC=x Now, AB=AD+BD AB=12+8 AB=20…

Q: If p = 3c° – 6c², find the percentage error in p at c = 1, if the error in c is 0.05.

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Q: d. Find the Inter Quartile Range (IQR) for time spent at the hot springs. Q1: minutes Q3: IQR:…

A:

Q: What about the p value and t values

A: From the given output, the sample size n is 15.

Q: After solving for P(C), construct a histogram for the table below: 1 2 3 4 5 P(x) 2 1 4 1 15 15 3

A: Please find the detailed solution in below image

Q: SOLVE FOR THE FOLLOWING with complete solution:  1, 3, 4, 5, 5, 6, 8, 8, 8, 9 A. 1st Quartile B.…

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Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A:

Q: what is the measure of x?

A:

Q: A. Does this mean the true average length of a pine needle is not 10cm (a = 0.05)? B. Does this mean…

A: Calculate the confidence interval as follows:Confidence interval = Mean +- Margin of error= 9.34 +-…

Q: Based on the scree plot below, how many components would you choose? 9.

A: The given scree plot is,   We have to state how many components we choose using the given scree…

Q: Jane collects data from 40 elementary school students and finds that the relationship between age…

A: Given data: The expression for the score of the student in terms of age is y=3.2x+45. The given age…

Q: Use the following scores to find the value of (Ex)² = %3D 4 3. 2.

A:

Q: The value of S is:

A: here cumulative frequency is sum of frequency up to that particular class