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In a school, 45% of the students have access to internet from their houses. If 9 students are selected at random, then find the probability that at least 2 students can access internet from their houses. => 0.039 or 0.89 or 0.961 or 0.11..

The percentage of households having internet connection is 45%. In a random sample of 500 households what is the probability that fewer than 200 will have internet onnections? => 9.1% or 9.01% or 1.09% or 1.9%..

The probability that a student has access to Internet from his/her home is 40%. If a random sample of 100 students is selected, then find the probability that between 50% and 60% of the students have access to Internet from their home. => 2.61% or 0.026% or 97.39% or 26.1%..

Internet services reported that 33% of the secondary school principals use internet email more than once a day either in home or school. From a random sample of 120 secondary school principals, it was found that 42 use internet email more than once a day. Is there enou..

Francis started a business in the year 1991. He got $13000 profit in the first year. Each year his profit decreased by 5%. Write an exponential decay model to represent his decreasing annual profit in the business. => y = 13001(1.05) t or y = 12999(0.95) t or y = 13000(0.85)..

Frank started a business in the year 1991. He got $27,000 profit in the first year. Each year his profit decreased by 3%. Identify an exponential decay model to represent his decreasing annual profit in the business. => y = 27000(0.87) t or y = 26999(0.97) t or y = 27000(0.9..

A business man estimated that the average business traveler will spend more than $180 per week on calls. A sample of 20 business travelers are selected at random and their mean expenses was found as $185 with a standard deviation $15. Find the test value at α = 0..

The number of Internet hosts (in millions) during the years 1991 to 1996 is represented in the line graph. What trend does the graph show? => No trend or Increasing trend or Decreasing trend..

A magazine report stated that the average business traveler will spend $180 per week on calls. A sample of 20 business travelers are selected at random and their mean expenses was found as $185 with a standard deviation $15. Is there enough evidence to reject the report at &alph..

Andy invested $8,672 and his friend invested $8,250 and both of them started a business together. How much more did Andy invest than his friend? => $422 or $432 or $428 or $522..