The mean number of text messages sent per month by customers of a cell phone service...
The mean number of text messages sent per month by customers of a cell phone service provider is 1,800, and the standard deviation is 750. Find the z-score associated with each of the following numbers of text messages sent. (Round your answer for part (b) to three decimal places.)
(a)0
(b)11,000
(c)4,500
(d)300
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The mean number of text messages sent per month by customers of
a cell phone service...
Statistics Part 2 Exercises 1. A random sample of 755 U.S. cell phone users age 18...
Statistics Part 2 Exercises 1. A random sample of 755 U.S. cell phone users age 18 and older found that the average number of text messages sent or received per day is 41.5 messages with margin of error 12.2 messages. a) Give the population. b) Give the sample. c) What value is the best estimate of the actual average number of text messages sent received by all U.S. cell phone users age 18 and above? d) Find the confidence interval....
A friend of yours is considering two cell phone service providers. Provider A charges $100 per...
A friend of yours is considering two cell phone service providers. Provider A charges $100 per month for the service regardless of the number of phone calls made. Provider B does not have a fixed service fee but instead charges $1 per minute for calls. Your friend's monthly demand for minutes of calling is given by the equation QD=120−30P QD=120−30P, where P is the price of a minute. 1. With Provider A, the cost of an extra minute is ?...
please use flowgorithm program to do the flowchrat. those are the data that are in the...
please use flowgorithm program to do the flowchrat.
those are the data that are in the question.
- w each bill. Design a flowchart or pseudocode for the following: A program that accepts the following data about one customer's messages: area code (three digits), phone number (seven digits), and number of text. messages sent. Display all the data, including the month-end bill both before and after taxes are added. 6. The Dash Cell Phone Company charges customers a basic rate...
write in C++ Problem 1: Mobile Service Provider A cell phone service provider has three different...
write in C++ Problem 1: Mobile Service Provider A cell phone service provider has three different subscription packages for its customers. Package A: For $39.99 per month 450 minutes are provided. Additional minutes are $0.45 per minute. Package B: For $59.99 per month 900 minutes are provided. Additional minutes are $0.40 per minute. Package C: For $69.99 per month unlimited minutes provided. Write a program that calculates a customer’s monthly bill. It should ask which package the customer has purchased...
Part 1: A mobile phone service provider has three different data plans for its customers: Package...
Part 1: A mobile phone service provider has three different data plans for its customers: Package A: For $39.99 per month 4 gigabytes are provided. Additional data costs $10 per gigabyte. Package B: For $59.99 per month, 8 gigabytes are provided. Additional data costs $5 per gigabyte. Package C: For $69.99 per month, unlimited data is provided. Write a program that calculates a customer's monthly bill. It should ask which package the customer has purchased and how many gigabytes were...
9. The amount of time that a certain cell phone will keep a charge is known...
9. The amount of time that a certain cell phone will keep a charge is known to be normally distributed with a standard deviation o= 15 hours. A sample of 45 cell phones has a mean time of 145 hours. Let u represent the population mean time that a cell phone will keep a charge. a. What is the point estimate of u? b. What is the standard error of the point estimate? Round to three decimal places. c. Suppose...
A cell phone company offers two different plans. Plan A costs $83 per month for unlimited...
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...
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...
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...
The Specific Absorption Rate (SAR) for a cell phone measures the amount of radio frequency (RF)...
The Specific Absorption Rate (SAR) for a cell phone measures the amount of radio frequency (RF) energy absorbed by the user's body when using the handset. Every cell phone emits RF energy. Different phone models have different SAR measures. To receive certification from the Federal Communications Commission (FCC) for sale in the United States, the SAR level for a cell phone must be no more than 1.4 watts per kilogram. A sample of 50 models was tested and the average...
Statistics Part 2 Exercises 1. A random sample of 755 U.S. cell phone users age 18 and older found that the average number of text messages sent or received per day is 41.5 messages with margin of error 12.2 messages. a) Give the population. b) Give the sample. c) What value is the best estimate of the actual average number of text messages sent received by all U.S. cell phone users age 18 and above? d) Find the confidence interval....
please use flowgorithm program to do the flowchrat.
those are the data that are in the question.
- w each bill. Design a flowchart or pseudocode for the following: A program that accepts the following data about one customer's messages: area code (three digits), phone number (seven digits), and number of text. messages sent. Display all the data, including the month-end bill both before and after taxes are added. 6. The Dash Cell Phone Company charges customers a basic rate...
9. The amount of time that a certain cell phone will keep a charge is known to be normally distributed with a standard deviation o= 15 hours. A sample of 45 cell phones has a mean time of 145 hours. Let u represent the population mean time that a cell phone will keep a charge. a. What is the point estimate of u? b. What is the standard error of the point estimate? Round to three decimal places. c. Suppose...
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...
The Specific Absorption Rate (SAR) for a cell phone measures the amount of radio frequency (RF) energy absorbed by the user's body when using the handset. Every cell phone emits RF energy. Different phone models have different SAR measures. To receive certification from the Federal Communications Commission (FCC) for sale in the United States, the SAR level for a cell phone must be no more than 1.4 watts per kilogram. A sample of 50 models was tested and the average...
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