Question
In the given figure, which letter represents those
teachers who teach both Maths and Physics?Solution
Rectangle represents Teacher. Circle represents teachers who teaches Maths. Triangle represents teachers who teaches Physics. So, E is common to the teachers who teaches both Maths and Physics.
Of 10 computer chips, 4 are defective. What is the probability of selecting 3 without replacement, only one of which is defective?
If the correlation between x and y is 0.6 covariance is 27, variance of y is 25, then what is the variance of x?
The credit manager at a Departmental store collects data on 100 of her customers. Of the 60 men, 40 have credit cards (C). Of the 40 women, 30...
The level of current inflation is 12% and inflation for the previous year was 6%. The strength of the effect of unemployment on the wages is 1.5. Calcul...
Which of the following statements is true
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