3. 55% of cell phone users use their cell phones to access the Internet. A random sample of seven cell phone users was chosen. a. Find the mean, standard deviation, and variance for this probability d

  

3. 55% of cell phone users use their cell phones to access the Internet. A random sample of seven cell phone users was chosen.a. Find the mean, standard deviation, and variance for this probability distribution.State how you would use binompdf or binomcdf in your calculator to get the following probabilities. Then find the following probabilities:b. Exactly 3 people use their phones to access the internet.Command: P(x) =c. At most 4 people use their phones to access the internet. Command: P(x) =d. At least 2 people use their phones to access the internet. Command: P(x) =e. More than 5 people use their phones to access the internet. Command: P(x) =f. Between 3 and 6 people inclusive, use their phones to access the internet. Command:P(x) =

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