The table below shows the number of defective bolts from a sample of 40.Calculate the standard deviation of the data above.

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sharon kalunda answered the question on August 30, 2019 at 10:53

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Kibet took a co-operative loan which is charged at 12% p.a. Compound interest to be repaid in three years. If in each month he repays...(Solved)
Kibet took a co-operative loan which is charged at 12% p.a. Compound interest to be repaid in three years. If in each month he repays sh.11,240; how much was the loan that he had taken from the co-operative to the nearest thousand.

Date posted: August 30, 2019. Answers (1)
Solve the simultaneous equations 3x + 2y = 7 x² + y² – 2x – 4y – 8 = 0(Solved)
Solve the simultaneous equations
3x + 2y = 7
x² + y² – 2x – 4y – 8 = 0

Date posted: August 30, 2019. Answers (1)
OAB is a sector of a circle centre O and radius 7cm. Arc AB subtends 25⁰ at the center and C is a point on...(Solved)
OAB is a sector of a circle centre O and radius 7cm. Arc AB subtends 25⁰ at the center and C is a point on OB such that OCA is 90⁰. Calculate the area of the shaded region

Date posted: August 30, 2019. Answers (1)
Two chord AB and CD of a circle intersect inside a circle at X. Given that AX = 4.2cm, XB = 3cm and XD =...(Solved)
Two chord AB and CD of a circle intersect inside a circle at X. Given that AX = 4.2cm, XB = 3cm and XD = 2.1 cm. Find the length of CX.

Date posted: August 30, 2019. Answers (1)

Expand (2 - x)⁵ up to the term with x³ . Use your expansion to evaluate 1.99⁵ to 3 decimal places.(Solved)
Expand (2 - x)⁵ up to the term with x³ . Use your expansion to evaluate 1.99⁵ to 3 decimal places.

Date posted: August 30, 2019. Answers (1)
Make n the subject of the formula(Solved)
Make n the subject of the formula

Date posted: August 30, 2019. Answers (1)
4 men each picking 50kg of coffee berries per day can pick coffee berries in a farm in 6 days. How many men each capable...(Solved)
4 men each picking 50kg of coffee berries per day can pick coffee berries in a farm in 6 days. How many men each capable of picking 80kg of coffee berriers per day are required to pick coffee berries in the same farm in 5 days?

Date posted: August 30, 2019. Answers (1)
Given that the dimensions of a rectangle are 20.0cm and 25.0cm find the percentage error in calculating the area.(Solved)
Given that the dimensions of a rectangle are 20.0cm and 25.0cm find the percentage error in calculating the area.

Date posted: August 30, 2019. Answers (1)

Given the following vectors,Calculate /2a + b/(Solved)
Given the following vectors,Calculate /2a + b/

Date posted: August 30, 2019. Answers (1)
Solve the following question for x.(Solved)
Solve the following question for x.

Date posted: August 30, 2019. Answers (1)
Find the value of a, b and c in;(Solved)
Find the value of a, b and c in;

Date posted: August 30, 2019. Answers (1)
Given the expression below,find the ratio x:y(Solved)
Given the expression below,find the ratio x:y

Date posted: August 30, 2019. Answers (1)
The base and perpendicular height of a triangle measured to the nearest centimeter are 6cm and 4cm respectively. (Solved)
The base and perpendicular height of a triangle measured to the nearest centimeter are 6cm and 4cm respectively. Find
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Date posted: August 30, 2019. Answers (1)
Evaluate the following(Solved)
Evaluate the following

Date posted: August 30, 2019. Answers (1)
(a) Expand the expression below (b) Use the first three terms of the expansion in (a) to find the approximate value of (0.98)⁴(Solved)
(a) Expand the expression below

(b) Use the first three terms of the expansion in (a) to find the approximate value of (0.98)⁴

Date posted: August 30, 2019. Answers (1)
Solve for x in the equation(Solved)
Solve for x in the equation

Date posted: August 30, 2019. Answers (1)
The figure below shows a toy which consists of a conical top and a hemispherical base.The hemispherical base has a radius of 5cm and the...(Solved)
The figure below shows a toy which consists of a conical top and a hemispherical base.

The hemispherical base has a radius of 5cm and the total height of the toy is 17cm. calculate the volume of the toy. (Take pi = 3.142)

Date posted: August 30, 2019. Answers (1)
Given that P varies directly as V and inversely as the cube of R and that P = 12 when V = 3 and R...(Solved)
Given that P varies directly as V and inversely as the cube of R and that P = 12 when V = 3 and R = 2,
(a) Find an equation connecting P, V and R.
(b) Find the value of V when P = 10 and R = 1.5

Date posted: August 30, 2019. Answers (1)
Make h the subject of the formula.(Solved)
Make h the subject of the formula.

Date posted: August 30, 2019. Answers (1)
Use logarithms to evaluate:(Solved)
Use logarithms to evaluate:

Date posted: August 30, 2019. Answers (1)

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