EXCELLENT TUTOR.

MATH 1080: Introduction to Statistics Midterm/ 115 Qs with Certified Solutions. Determine whether the sampling method described below appears to be sound or is flawed. In a survey of 538 subjects, the following question was posted on a newspaper's website: "In your view, are nuclear plants safe?" The survey subjects were Internet users who chose to respond to the question posted on the electronic edition of the newspaper. - Answer: - It is flawed because it is a voluntary response ...

10.05 Semester Test: Consumer Math/ 50 Quizzes with Certified Solutions. Alice makes $20,504 annually. What is the maximum monthly rent that she can afford to pay? - Answer: $478 Which two-bedroom will cost the most to rent monthly? Assume that electric is $50 and gas is $69. - Answer: Downtown Apts How much would you pay in move-in costs for the two-bedroom Hometown Apartment if you pay first and last month's rent, a $185 security deposit, and a 30 percent fee to the rental age...

MATH 1680/ 317 Qs with Certified Ans/ 2025 What is at the "heart" of hypothesis testing in statistics? - Answer: Make an assumption about reality, and collect sample evidence to determine whether it contradicts the assumption. What is a hypothesis? - Answer: A statement regarding a characteristic of one or more populations. Why do we test statements about a population parameter using sample data? - Answer: Because it is usually impossible or impractical to gain access to the entir...

Statistics Final Exam/ 135 Qs with Definitive Solutions. A large state university conducted a survey among their students and received 400 responses. The survey asked the students to provide the following information: *Age *Year in School (Freshman, Sophomore, Junior, Senior) *Major What type of graph would you use to describe the variable Major? - Answer: A bar chart because Major is a categorical variable. Obtain the five-number summary for the given data.1, 3, 6, 7, 9, 11, 14 - ...

Final Exam NEIEP Elevator/ 137 Quizzes & Ans/ Already Graded A+. wrench used for rail installation - Answer: spud wrench The minimum clearance from the floor to the suspended ceiling is: a. 80" b. 96" c. 7'3" d. 8'2" - Answer: a. 80" what should you be aware of when removing a cab for replacement? a. The weight that is to be removed from the ceiling. b. The original weight and counterbalancing. c. How much the cab was out of square. d. Cover the panels s...

Neiep 535 Freight Elevator Doors and Gates Exam/ 49 Q&A, 2025. For Class A loading, no piece of freight can be more _______ of rated load. - Answer: 25% Loads for Class A are transported on an off of the platform _______ - Answer: Manually Trucks or automobiles on Class B freight platforms cannot exceed _______ of rated load. - Answer: 75 % When securing the bolts to the guide rails , always locate the bolts _______ of the rail mounting slot. - Answer: At the top Door motor and s...

Class 200 NEIEP Final / 80 Quizzes with Certified Solutions/ 2025. ____________ ____________ should not be disassembled in the field - Answer: Oil buffers Two safety precautions to be followed when first entering the elevator pit are to have the ___________ ___________ ___________open and the pit light on. - Answer: Pit stop switch Tension on the governor rope is maintained by using a - Answer: Tension sheave The ASME Safety Code requires oil buffers for elevators when traveling at ...

NEIEP Mechanics Exam/ 165 Questions with Certified Solutions ** An MOV burns out, you replace it but cannot read voltage or resistance. What should you do? - Answer: Replace it with a larger one (630) * On a Ward-Leonard circuit, the brake is set but the motor is trying to slip through the brake. What circuit is the issue? - Answer: Suicide circuit (425) ** A Hydro runs up with no load but does not run up with a full load. What is the issue? - Answer: The relief valve is set too low (8...

600 NEIEP Final Exam / 51 Quizzes with Definitive Solutions/ 2025 Refer to figure, If load resistance R2 is reduced by half, what happens to the zener diode? - Answer: Zener current will decrease Refer to the figure, the Zener diode is designed to breakdown at 6VDC. What is the voltage drop across resistor 1, with a constant DC supply of 10 VDC? - Answer: 4V An elevators motor rotates at 1200 rpm at contract speed and is geared at a ratio of 40:1. If the motor turns 40 rpm the sheave turn...

Elevator Mechanic Exam Review/ 216 Qs with Definitive Ans/ . A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? - Answer: Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - Answer: Replace it with a larger MOV On a Ward-Leonard circuit the break is set, but the motor is t...