Problem#1: A multiple choice test contains 25 questions, each wi four answers. Assume a student just guesses on each question. (a) Wh is the probability that the student answers more than 20 questic correctly? (b) What is the probability the student answers less thar questions correctly?

Q: (d) Find the Cartesian equation of the plane that contains both the line L2 and the point A

A: Introduction: The scalar product of two vectors OA and OB is given by, OA·OB=OAOBcosθ The vector…

Q: In AABC, mLA = 87* and mzB = 23". Select the triangle that is similar to AABC. A. AXYZ, in which mzX…

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Q: if Y=3X+7 , find the standard deviation of Y.

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Q: Total 710 Yes No The table shows the results of a study investigating whether afteretfects of…

A: The formula to find the Expected frequency is,

Q: 1. 9s + 2s - 3s - 6 2. 12t - 4t - 6 + 5t 3. 18г + 13г + 4г - 3г%3D

A: Combine the like terms to simplify the given expressions. Solution 3.…

Q: These figures are congruent. What series of transformations moves quadrilateral ABCD onto…

A: Transformation moves quadrilateral ABCD onto A'B'C'D'  will be

Q: Which of the following statements about BC and BD is true? 10 B 54-3-2 -11l 12 3456 7 8

A: Given that:

Q: d. Develop a 95% prediction interval for y when æ = 8 (to 2 decimals).

A: R code: library(readxl)df <- read_excel("C:/Users/ragha/Desktop/df.xlsx") model = lm(y~x,…

Q: A test was given to a statistics class. Results for each gender and for one student in each gender…

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Q: Based on the information provided: 1. Calculate a point estimate for the true population average…

A: Ans.   Here  it is given that ,   Sample Size = n = 64                      and average unemployment…

Q: 1. The sampling method is one of the methods of data collection (a) true (b) false 2. The mode can…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: b. Over the long-term, the proportion of bearish AAII members is 0.31. Conduct a hypothesis test at…

A: The hypotheses are given below: Null hypothesis: H0: p=0.31. Alternative hypothesis: Ha:p>0.31.…

Q: STION 17 Find the margin of error A survey found that 89% of a random sample of 1024 American adults…

A: Solution: Question 17)  Given information n= 1024 Sample size  p^=0.89 Sample proportion α=0.10…

Q: 27 The polar coordinates of a point are and 4. What are its Cartesian coordinates? 3 4, 2πT 3 For…

A: Given are the polar coordinates of a point as 2π3 and 4.   To Find: The Cartesian coordinates.…

Q: 7. Consider the telescoping series In k+ k+1 - In k+ 2 (In () – In () Consider Let S, denote the nth…

A: nth partial sum is

Q: The value of Ifm is: O A. 4280 O B. 3480 O C. 3820 O D. 3280

A: Given that Frequency distribution table in the question

Q: Find the probability a randomly selected student is a female. QUESTION 3 Find the probability a…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 3. A popular theory is that presidential candidates have an advantage if they are taller than their…

A: (b) Obtain the 99% confidence interval for the difference between two means. The 99% confidence…

Q: Can i please get help with this, thanks

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Q: The question that I need help with is attached. thanks

A: Regression: Regression equation using the MINITAB software: Choose Stat > Regression >…

Q: (d) Suppose k = f(z) and z = f(x): then X =

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Q: I need help with this please, thanks

A: Step 1:Step 2:Step 3:Step 4: b) Therefore b) y^ = 78.8967

Q: 3) y =-cos amplitude period phase shift %3D vertical shift

A: We will solve the problem