math forum internet

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..

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..

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? => Increasing trend or No trend or Decreasing trend..

The examination results will be declared sometime between 10 A.M. to 2 P.M. on Internet. To know the result Sam went to the Internet caf at 11 A.M. and came out at 12-noon. What is the probability that Sam sees the exam results? => 1 2 or 1 4 or 1 5 or 1 3..

Select the statements where descriptive statistics is used. I. Increase in the annual sales of hamburgers in the district was 30% of the sales of previous year. II. Infant morality rate in an underdeveloped country registered a drop of 10% during the last decade. III. Defence accounted 30% of the a..

A researcher wishes to examine whether there is a correlation between cost of internet service per month and degree of customer satisfaction.The data collected is shown here. Calculate the correlation coefficient and describe the relationship. Dollars 12 24 14 12 18 6 9 18 17 20 Satisfact..

A modem (a modulator/demodulator) lets you connect your computer to a standard telephone line so that you can transmit and receive electronically transmitted data. It is the key that unlocks the world of the Internet and its World Wide Web, commercial online services, electronic mail (E-..