Question

An almirah is sold at ₹ 5225 after allowing a discount of 5% find its marked price​

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