Question
The 95% confidence interval of average age of accidents
in any city during last year for a sample of size 100 with mean age 34.25 from population of standard deviation 10 isSolution
The correct answer is A
More Welfare Economics Questions
A fraction becomes 6/7 when 3 is added to both its numerator and denominator. Similarly, it becomes 7/8 when 5 is added to both i...
The difference between the smallest and the largest fraction among 3/2, 1/5, 4/3, 5/4 is
Simplify: 5/6 − 2/9 + 1/12
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Evaluate: 180 ÷ (6 × 5) + 7 × 3 − 8
Convert the recurring decimal 0.434343... to a fraction in simplest form.
Calculate: 7.2 ÷ 0.3 + 1.25 × 0.4 − 0.18
Calculate: 0.48 ÷ 0.12 + 2.5 × 0.4 − 0.35
