6.3.6 Suppose that a cellular phone costs $30 per month with 300 minutes of use included...
Problem 2-19 Sunland Phone Services offers a cellular phone plan for $60 per month. Under this plan, you can make an unlimited number of phone calls and talk as long as you like. (a) Prepare a table that shows the cost per minute of airtime and the total amount of the phone bill at the following usage levels: 20 minutes, 120 minutes, 292 minutes, and 514 minutes. (Round unit costs to 2 decimal places, e.g. 52.75.) Minutes Cost per minute...
2. Southeastern Bell's basic cellular phone plan cost $19 for the first 15 (or fewer) minutes each month and 55 cents for each additional minute. Bell North has a plan that charges $30 for the first 30 (or fewer) minutes each month and 39 cents for each additional minute. Under what conditions is Bell North's plan a better deal?
A basic cellular package costs $20 per month for 60 minutes of calling, with an additional charge of $0.20/min beyond that time. The cost formula would be C = 20 + 0.20(x-60), where C is the cost measured in dollars and x is the number of calling minutes used. If you cannot have a bill greater than $60, what is the maximum number of calling minutes you can use?
Kim Davis has decided to purchase a cellular phone, but she is unsure about which rate plan to select. The "regular" plan charges a fixed fee of $55 per month for 1,000 minutes of airtime plus $.33 per minute for any time over 1,000 minutes. The "executive" plan charges a fixed fee of $100 per month of 1,200 minutes of airtime plus $.25 per minute over 1,200 minutes. B. At what level of use would Kim be indifferent between the...
A cellular phone company charges $40 for a phone and $90 per month for its economy plan. Let y denote the total cost in dollars and x denote the number of months. Answer parts a-e. a. Find the equation that expresses y in terms of X. y=0 b. Determine b, and b bo= ,=0 c. Construct a table for the x-values 6, 15, and 21. Time (months) x Cost ($) y (Simplify your answer.) (Simplify your answer.) (Simplify your answer.)...
A cellular phone company monitors monthly phone usage. The following data represent the monthly phone use in minutes of one particular customer for the past 20 months. Use the given data to answer parts (a) and (b). $$ \begin{array}{lllll} 328 & 346 & 371 & 455 & 325 \\ \hline 417 & 451 & 498 & 344 & 320 \\ \hline 476 & 549 & 438 & 462 & 353 \\ \hline 545 & 432 & 460 & 552 & 478...
A cell phone company offers two different plans. Plan A costs $83 per month for unlimited talk and text. Plan B costs $0.20 per minute plus $0.10 per text message sent. You need to purchase a plan for your teenage sister. Your sister currently uses 1,700 minutes and sends 1,600 texts each month. 1. What is your sister's total cost under each of the two plans? 2. Suppose your sister doubles her monthly usage to 3,400 minutes and sends 3,200...
A cell phone company offers two different plans. Plan A costs $96 per month for unlimited talk and text. Plan B costs $0.20 per minute plus $0.10 per text message sent. You need to purchase a plan for your 14-year-old sister. Your sister currently uses 1750 minutes and sends 1,700 texts each month. (1) What is your sister's total cost under each of the two plans? (2) Suppose your sister doubles her monthly usage to 3,500 minutes and sends 3.400...
A cell phone company offers two different plans. Plan A costs $96 per month for unlimited talk and text. Plan B costs $0.20 per minute plus $0.10 per text message sent. You need to purchase a plan for your 14-year-old sister. Your sister currently uses 1,750 minutes and sends 1,700 texts each month. (1) What is your sister's total cost under each of the two plans? (2) Suppose your sister doubles her monthly usage to 3,500 minutes and sends 3,400...
5. It is reported that 35% of American households use a cell phone exclusively for their telephone service. If you want to find the probability in a sample of 6 households that at least 3 households exclusively use a cell phone for telephone service, you should approach this question by which of the following probability distributions: Poisson, Uniform, Normal, Binomial, Hypergeometric, and Exponential? The following output is provided by MegaStat when analyzing this question. 6 n 0.35 р cumulative Х...