The scores of an examination are assumed to be normally distributed with mean of 75 and variance of 64. What is the probability that a student score chosen at random will be less than 85? 0.89435 0.10565 0.20112 O 0.79489

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: Given: E = 0.04 Confidence Interval = 99%

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Q: Inferencial statistics a) Acme Toy Company prints baseball cards. The company claims that 30% of the…

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Q: Find the value of x. Round to the nearest whole number. 21 68°

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Q: Consider the following sample space S with events A, B and C: s = {1,2, 3, 4, 5, 6, 7,8} A = {1,2,3,…

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Q: 5. Which of the following represents the volume of the cone? 7 ft a. 21.99 ft b. 18.85 ft c. 65.97…

A: Answer: Option c. 65.97 ft2

Q: 7. An insurance company believes that claim amounts in a certain portfolio of policies follow a…

A: Given: Sample size (n) = 61 Sample mean x¯=5230.0000 Sample standard deviation (s) = 810 Confidence…

Q: Question 1 The following is a set of 109 DMT 242 examination marks ordered for convenience: 6 11 11…

A: Since you have posted a question with multiple subparts we will solve first three subparts for you.…

Q: Kindly help

A: The Taylor series can be obtain as follows.

Q: Find the measure of ZJ. Round to the nearest whole number. 61 11 K- 60 7. O 10 O 45° O 80

A: Using trigonometric functions:

Q: Question 4 The amount of time devoted to preparing for a statistics examination by students is a…

A: Given that  X~N(μ= 17 , σ= 5 ) μ= 17 , σ= 5 Formula for Z-score Z=(X-μ)/σ Note: According to…

Q: QUESTION 4, Suppose in a certain primary school, the weight of boys are normally distributed with…

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Q: (b) Consider the problem Maximize Z= +2x, 3x +4x3 Subject to 2r +3.x +5x) 2 2 3x + +x: 7x 5 3 + 4x…

A: Given LPP is Maximize Z=2x1+3x2+4x3Subject to2x1+3x2+5x3≥23x1+x2+7x3≤3x1+4x2+6x3≤5x1,x2≥0, x3…

Q: swer. 1. What is the Greatest Common Factor of 24 and 54? С. 3 A. 1 D. 6 B. 2 2. What is the GCF of…

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Q: During 2016 a vet saw 125 dogs, each suspected of having a particular disease. Of the 125 dogs, 60…

A: There are 125 dogs in which 60 were female, then 65 were males. From 60 females 25  had disease and…

Q: high school is organizing a dinner event for alumni. The planning committee has decided to rent a…

A: To write down the function for the amount that each attendees pay,

Q: Use separation of variables to solve the initial-value problem. dy 7. 25 - y? where y < 0 and y(0) =…

A: Given below answer with detailed steps

Q: A line passes through the points A(-3, -2) and B(2, 1). Does it also pass through the point C(5, 3)?…

A: Refer to the question A line is passing through points A(-3, -2) and B(2,1) Write the equation of…

Q: Find m/ECD. 31° В

A: In any triangle if opposite angles of equal sides are always equal

Q: (8x D. - 34)° (5x + 2) O 40 O 10 O 12 O 60

A: From figure, we have 8x-34=5x+2 Or, 8x-5x=2+34 Or, 3x=36 Or, x=36/3=12 Hence x=12

Q: Show that triangle FUN is isosceles. 8. U (1,7) (6,2) (-1,0) 2, 21 4 9. -21

A: An Isosceles triangle is a triangle which has two equal sides  (that is length of two sides are…

Q: Question Two Small business owners often look to payroll service companies to handle their emplo yee…

A: We have given that,  The data set is,  820 270 450 1010 890 700 1350 350 300 1200 390 730 2040 230…