Question

SHREE VASISHTHA VIDHYALAYA
ENGLISH MEDIUM (2020-21)
SUBJECT:-Maths
ROLL NO:- 37
TEACHER'S SIGN:-
TOPIC:-Revision Maths Worksheet- PA4
DATE: 111 1202
Fill in the blanks
STD/DIV:- 6th / D
NAME:- Riya S. Savaliya
1 A quadrilateral in which every angle is less than 180° is called a
2 The sum of interior angles of a triangle is 180°
3 An equilateral triangle has all angles equal and measuring 60°
Rectangle
is a quadrilateral in which both the pairs of opposite sides are parallel and
equal.
4
5 The distance moved around a circle once is called its perimeter or
triangle
are rendicular bisectors of each other​

Answer 1

Answer:

it is claimed by a racer bike manufacturing company that the race bikes are driven on a average of more than 12,000 kilometres on yearly basis .To the test the company's claim 100 randomly drawn racer bike owners are asked to maintain a record of total distance they travel. Will you favour this companys claim if the randomly selected sample exibit an average of 13,200 kilometres and a standard deviation of 3900 kilometres? Use P value to conclude your answervwith 5% level of significance