The mean score on a widely freshman history examination is 75. A history teacher at a very large university wants to determine whether there is statistical evidence for claiming that this year's class is not average. Given the following scores, and assuming that the students in this class are a random sample from the population of students at the university, test the appropriate hypothesis versus the appropriate alternative. The test scores are: 94 69 89 49 88 89 65 95 55 93 86 62 83 96 48 51 69 74 83 71 89 58 89 81 79 52 73 75 91 68 100 63 81

Q: Which is a valid rearrangement of 2 2 300L7K 7 А. 300 В. 300 С. 300 D. 300 Select one: O A.. O B..…

A: We rearrange the equation.

Q: The results of a recent poll on the preference of shoppers regarding two products are shown below.…

A: Given, Standard error =0.0275 Margin of error at 95% confidence=? z - value at 95% confidence is…

Q: dx Evaluate Vet –I

A:

Q: Determine the values of x and y. 7s

A: Given problem:-

Q: 3 da Evaluate a+2 A. 3 B. 2 С. 1 D. 0

A:

Q: Cosx

A:

Q: 12. Use the Binomial Formula to find the probability: According to a poll, 49% of Americans say that…

A: According to the given question, consider the following information- n=12p=0.49

Q: 寸 dx. 2. 11+ズ

A:

Q: 45° 8N2

A:

Q: e - 7 CosX 7 COSX %3D

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Q: 5 5.

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Q: 2 3) (6-1)°(st3)

A: We find inverse laplace transform of given problem.

Q: 35) Use the figure to find the value of x. 46 b. x= a. x 4 C. x= 13 d. x 91 (&x-5) (6x+3)

A: When the two lines are parallel, sum of Consecutive Interior Angles is equals to 180 degrees.…

Q: 00 3 .a 3. 8. 16

A: Given integration is ∫0∞x9 e-x4dx

Q: -2y: 3.

A:

Q: tan-+cotx%= 27 /2

A:

Q: 1. Simplify 53

A:

Q: 2. dx 2. *? i Ma?

A: To find the value of m? Given:- ∫1m1x2dx = ∫m21x2dx

Q: QUESTION 7 Use the image below to answer the following questions: 2 Inches 3. Centimeters 5 71 8…

A: Upper side of scale represents inches one small portion = 1/8 inches  And lower side of scale…

Q: Write the expression below in the form (a + b)" 1296x - - 3000x'y+625y 4320xy + 5400xy

A: To write the expression below in the form a+bn.1296x12-4320x9y2+5400x6y4-3000x3y6+625y8

Q: Let V, W, X, and Y denote the payoffs for the certificate of deposit, office complex, land…

A: Hello there! there are more than three sub parts in the question. according to our policies cannot…

Q: 5Tt in standard position. 6. Sketch 0 %3D

A: Given: Angleθ=5π6, To sketch: The given angle in standard position.

Q: 1. A 3. 5

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Q: 7. 11 37°

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Q: Jo tan 5v sec 5v dv

A:

Q: Question 5 Given OP and secants FH and FK, what is FG?

A: According to the properties of secant lines of a circle FK.FJ = FH.FGGiven FK = 4XFJ = x - 6 FH =…

Q: Question 1 Evaluate r dr = -r" +C. a a = b 3= d =

A:

Q: 2 Ай — | —1 and Au -1 %D 3 then A(3u – 30) =

A: Explained below

Q: Figure 1.3 is called a regular pentagon because its five sides have equal lengths and its five…

A: To Determine: To prove the length of the dashed parts of lines from B to E and B to D are equal.…

Q: Find the value of x. Round to the nearest whole number. 16 10

A: As two sides of right triangle are given and  asking for an angle so use appropriate trigonometric…

Q: Question 29 (35) 35) Use the figure to find the value of x. b. x= a. x=4 C. x-13 d. x-91 (&x-5)…

A: The two bonds formed by the crossing of the parallel lines. These angles are known as a…

Q: How would i calculate question 1?

A: a). Given summation = y1+y2+y3+y4+y5                                                         =…

Q: (b) (c) -2a 2a T - a + 2b + 3c = 2b + b 2r + 4s 3r + 6s +2t 3t 5t С = с 11 = = 0 1 0 1 1 -3 ANS:…

A: For question number 1: Deteminant of a 2x2 matrix:Let A=abcd, then det(A)=|A|=ad-bcSimilarly for 3x3…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.