pleaseee sir solve question 7 and 8 *Assume that the random variable X is normally distributed, with mean u-45 and standard deviation - 16.Answer the following Two questions:C) 0D) 0.0228Q1. The probability P(X=77) =A) 0.8354B) 0.9772D) 50Q2. The mode of a random variable X is:A) 66C) 3.125B) 45*If n=32, -26.2, o-5.15,a=0.01 answer the following Two questionsQ3. The confidence interval for the population mean isA) (26.08, 26.32)D) (23.86, 28.54)C) (24.42, 27.56)B) (24.42, 27.98)Q4. The maximum error (the margin of error) of the estimation "E" is:A) 1.78B) 0.78C) 2.34D) 0.620.20, then P(BA) is:Q5. If P(A) 0.30, P(B)-0.40 and P(AB)A) 0.12B) ) 0.67C) 0.08D) 0.50*The mean height of residents in a large city is =69 Inches with a standard deviation a=6 Inches. Assume theheight of residents is normally distributed. Answer the following Two questions:Q6. If a resident is randomly selected from this city, the probability that his height is less than 74.1 Inches is about:A) 0.3413C) 0.1521B)0.8413D) 0.8023Q7. If 25 residents are randomly selected from this city, the probability that their average height (X) is less than 68.2Inches is aboutA) 0.2514B) 0.3120C) 0.1521D) 0.2164X*Consider the following table, and answer the following Two questionsQ8. Find the linear regression equation =a + bx34610Y8673A) -9.54-0.60x B)13.11-0.81x C) -10.16-0.67x10.11-0.71xQ9. The correlation coefficient (r) between X and Y is:A)-0.8987B) 0.8632C) -0.9603Q10. Suppose we have a random variable X where P(X-k)=(18)(0.29)*(0.7kWhat is the mean E(X) of X?A) 5.22B) 0.71C) 4.35Q11. In hypothesis testing, a Type 1 error occurs when:A) Anytime the decision is 'fail to reject'C) Anytime H, is rejectedB) Anytime Ho is rejectedD) All are correctQ12. A numerical summary (value) of a sample is calledA) MeasurementB) StatisticC) SampleQ13. If the median of data greater than the mean, then the data is:A) Right skewedB) Left skewedD)D) -0.910718-A29) (0.71) for k=0,1,...,18.D) 10.65C) SymmetricD) ParameterD) bimodal85

It is given that Mean, μ = 69 Standard deviation, σ = 6 Note: According to Bartleby expert…

A) 0.3413 B)0.8413 C) 0.13 Q7. If 25 residents are randomly selected from this city, the probability that their average height (X) is less than 68.2 Inches is about A) 0.2514 B) 0.3120 C) 0.1521 D) 0.2164

A) 0.3413 B)0.8413 C) 0.13 Q7. If 25 residents are randomly selected from this city, the probability that their average height (X) is less than 68.2 Inches is about A) 0.2514 B) 0.3120 C) 0.1521 D) 0.2164

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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