Q1. A sample of size n = 8 drawn from a normally distributed population has sample mean =14.8 and sample standard deviation s=1.92. A 95% confidence interval (CI) for #is B) (11.14,17.71) A) (13.19,16.41) Q2. In hypothesis testing, a Type 2 error occurs when: C) (13.51,16.09) A) Anytime the decision is 'fail to reject' D) (11.81,15.82) C) Anytime H, is rejected B) Anytime Ho is rejected D) All are correct Q3. How many complete dinners can be created from a menu with 3 appetizers, 5 soft drinks, and 4 desserts if a complete dinner consists of one appetizer, one soft drink, and one dessert? A) 12 B) 60 C) 17280 D) 30 Q4. If the mean of data greater than the median, then the data is: A) Right Skewed B) Left Skewed C) Symmetric D) bimodal Q5. If P(A)=0.30, P(B)= 0.40 and P(AB)=0.20, then P(A | B) is: A) 0.12 B)) 0.67 C) 0.08 D) 0.50 Q6. Suppose we have a random variable X where P(X=k)= 29) (0.71) for k=0,115. What is the mean E(X) of X? A) 5.22 B) 0.71 C) 4.35 D) 10.65 Q7. A numerical summary (value) of a population is called A) Statistic B) Measurement C) Sample D) Parameter * If n=32, x=26.2, o=5.15, a = 0.05:answer the following Two questions Q8. The confidence interval for the population mean is A) (26.08, 26.32) B) (24.42, 27.98) C) (24.42, 27.56) D) (23.95, 28.54) Q9. The maximum error (the margin of error) of the estimation "E" is: D) 0.62 C) 1.96 A) 1.78 B) 0.78 Q10. Based on the following scatter plots, the sample correlation coefficients (r) between y and x is: C)0 D) 1 B) Negative A) Positive D) 3.5 Q11. Consider the following observations, 3 3 4 5 6 7 8 10. The third quartile Q3 is: B) 3 A) 8 C) 7.5 D) P(B) C) P(A) Q12. If A and B are two independent events, then P(B|A) = A) 0 B) P(A)P(B) D) Z<-1.96 or Z> 1.96 =25,H₁:25, the rejection region is Q13. If n = 32,0 = 5.15, = 26.2, a = 0.1. In testing Ho: B) Z<-1.645 or Z> 1.645 C) Z> 1.96 A) Z> 1.645 (1)(0.29)
Q1. A sample of size n = 8 drawn from a normally distributed population has sample mean =14.8 and sample standard deviation s=1.92. A 95% confidence interval (CI) for #is B) (11.14,17.71) A) (13.19,16.41) Q2. In hypothesis testing, a Type 2 error occurs when: C) (13.51,16.09) A) Anytime the decision is 'fail to reject' D) (11.81,15.82) C) Anytime H, is rejected B) Anytime Ho is rejected D) All are correct Q3. How many complete dinners can be created from a menu with 3 appetizers, 5 soft drinks, and 4 desserts if a complete dinner consists of one appetizer, one soft drink, and one dessert? A) 12 B) 60 C) 17280 D) 30 Q4. If the mean of data greater than the median, then the data is: A) Right Skewed B) Left Skewed C) Symmetric D) bimodal Q5. If P(A)=0.30, P(B)= 0.40 and P(AB)=0.20, then P(A | B) is: A) 0.12 B)) 0.67 C) 0.08 D) 0.50 Q6. Suppose we have a random variable X where P(X=k)= 29) (0.71) for k=0,115. What is the mean E(X) of X? A) 5.22 B) 0.71 C) 4.35 D) 10.65 Q7. A numerical summary (value) of a population is called A) Statistic B) Measurement C) Sample D) Parameter * If n=32, x=26.2, o=5.15, a = 0.05:answer the following Two questions Q8. The confidence interval for the population mean is A) (26.08, 26.32) B) (24.42, 27.98) C) (24.42, 27.56) D) (23.95, 28.54) Q9. The maximum error (the margin of error) of the estimation "E" is: D) 0.62 C) 1.96 A) 1.78 B) 0.78 Q10. Based on the following scatter plots, the sample correlation coefficients (r) between y and x is: C)0 D) 1 B) Negative A) Positive D) 3.5 Q11. Consider the following observations, 3 3 4 5 6 7 8 10. The third quartile Q3 is: B) 3 A) 8 C) 7.5 D) P(B) C) P(A) Q12. If A and B are two independent events, then P(B|A) = A) 0 B) P(A)P(B) D) Z<-1.96 or Z> 1.96 =25,H₁:25, the rejection region is Q13. If n = 32,0 = 5.15, = 26.2, a = 0.1. In testing Ho: B) Z<-1.645 or Z> 1.645 C) Z> 1.96 A) Z> 1.645 (1)(0.29)
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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pleaseee sir solve question 5 and 6
Transcribed Image Text:Q1. A sample of size n = 8 drawn from a normally distributed population has sample mean x=14.8 and sample
standard deviation s=1.92. A 95% confidence interval (CI) for u is
B) (11.14,17.71)
A) (13.19,16.41)
Q2. In hypothesis testing, a Type 2 error occurs when:
C) (13.51,16.09)
A) Anytime the decision is 'fail to reject'
D) (11.81,15.82)
C) Anytime H, is rejected
B) Anytime Ho is rejected
D) All are correct
Q3. How many complete dinners can be created from a menu with 3 appetizers, 5 soft drinks, and 4 desserts if a
complete dinner consists of one appetizer, one soft drink, and one dessert?
A) 12
B) 60
C) 17280
D) 30
Q4. If the mean of data greater than the median, then the data is:
A) Right Skewed
B) Left Skewed
C) Symmetric
D) bimodal
Q5. If P(A)=0.30, P(B)= 0.40 and P(AB)=0.20, then P(A | B) is:
A) 0.12
B) ) 0.67
C) 0.08
D) 0.50
Q6. Suppose we have a random variable X where P(X = k) =
29) (0.71) for k=0,1,.,15.
What is the mean E(X) of X?
A) 5.22
B) 0.71
C) 4.35
D) 10.65
Q7. A numerical summary (value) of a population is called
A) Statistic
B) Measurement
C) Sample
D) Parameter
* If n=32, x=26.2, o=5.15, a = 0.05:answer the following Two questions
Q8. The confidence interval for the population mean is
A) (26.08, 26.32)
B) (24.42, 27.98)
C) (24.42, 27.56)
D) (23.95, 28.54)
Q9. The maximum error (the margin of error) of the estimation "E" is:
D) 0.62
C) 1.96
A) 1.78
B) 0.78
Q10. Based on the following scatter plots, the sample correlation coefficients (r)
between y and x is:
D) 1
C) 0
A) Positive
B) Negative
D) 3.5
Q11. Consider the following observations, 3 3 4 5 6 7 8 10. The third quartile Q3 is:
B) 3
A) 8
C) 7.5
D) P(B)
C) P(A)
B) P(A)P(B)
Q12. If A and B are two independent events, then P(B|A) =
A) 0
D) Z<-1.96 or Z> 1.96
=25,H₁:25, the rejection region is
Q13. If n = 32,0 = 5.15, = 26.2, a = 0.1. In testing Ho:
B) Z<-1.645 or Z> 1.645 C) Z> 1.96
A) Z> 1.645
(15)(0.2⁹9)
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