Tasks Construct a frequency table with the following information: lower class boundary, upper class boundary, midpoint, frequency, relative frequency, less than or equal to cumulative frequency, greater than or equal to cumulative frequency and answer the questions below. Round off your answers up to four decimal places, with correct units and box or encircle them. Battery life span in hours 4285 564 1278 205 2066 604 209 602 2574 14 349 3770 1009 4152 478 726 318 737 3032 3894 1429 852 1461 2662 981 1560 701 497 1402 1786 1406 35 1137 261 2778 414 83 1379 520 396 3920 1379 99 510 582 308 3367 99 373 454 Questions 1. What percentage of batteries fail within the first 1541 hours of operation? 2. What percentage of batteries fail after more than 2763 hours of operation? 3. What time represents the point when 60% the batteries fail on or before this time? 4. What time represents the point when 40% of the batteries fail after this time? 5. What percentage of batteries fail after greater than or equal to 930 hours of operation? 6. What percentage of batteries fail after less than 3374 hours of operation? 7. What time represents the point when 12% the batteries fail on or after this time? 8. What time represents the point when 88% of the batteries fail before this time?

Q: 8x-2=-9+7×

A: Consider the following equation: 8x-2=-9+7x Combine like terms together: 8x-7x+-2+9=0x+7=0x=-7

Q: Describe y=-x+5

A: Explanation and solution is given below....

Q: 2x-3x-14=

A: topic - linear equation in one variable

Q: -Sune +1

A: This question is based on solution of Trigonometric equation.

Q: What is 2a+2=4

A: Note:-  As statement of problem missing,so we are solving this problem for value  of  variable a…

Q: What is 2 plus

A:

Q: 125=252h+1

A: GIVEN: The equation125=252h+1 CALCULATION: We have to find the value of h. The given can be written…

Q: 2x-4y=6 -2x-5y=-15

A: We have to solve the given two equations.

Q: 6x-6=3x

A: Firstly, we subtract 3x from both  sides of equation.

Q: 20x +5 24x-1

A:

Q: 5x-20 50

A:

Q: X+6

A:

Q: (b) Which of the following is equivalent to (g o f)(x)? O A. 1(x) + g(x) B. f(X) • g(x) C. glf(x)] O…

A: Composite Functions:

Q: 3. L:5

A: 3x-12=5

Q: What is 6x=8x

A: Equation and it value

Q: logpQ x logoP

A: Evaluate the value of logP Q×logQ P. Solve the equation 5x2+x+2=0.

Q: 10 20

A: To find The value of x.

Q: Find LCM  x3,14x2y,35x4y5

A: x3 = x × x × x 14x2y = 2 × 7 × x × x × y  35x4y5 = 7 × 5 × x × x × x × x × y × y × y × y × y

Q: find of the f llowing 2. 2 -5x*

A: Solution of question is written in below steps.

Q: 4 -8 y

A:

Q: Evaluate 2x2 +1+2/ dr.

A: First we distribute the x and write using exponents.

Q: Multiply the 1st equation by 3 to make -9x. -3x + 5y = -8 9x - 2y = 30

A:

Q: Explain how to simplify V10- V5.

A: One of the property of a square root function is :a.a=a2=aAlso, a.b=b.a  (commutative property)So,…

Q: 25=2x-3

A: solving for x 25=2x-3

Q: what is 3-4x=5

A:

Q: 4=2v-14

A: The given equation is,

Q: 7- 7+3 7-2 + 3 北

A: Solution ) ( y + 3 )/( y - 2 ) + ( y - 3 )/( y + 1 )  L.C.M. of ( y - 2 ) ( y + 1) = ( y - 2 ) ( y +…

Q: X-2y=-8 6x - y = 7

A:

Q: What is

A: Introduction: Multiplication is the procedure of calculating the product of two or more numbers in…