39.4% of US homes continue to use a landline in addition to cell phone service. 3...
39.4% of US homes continue to use a landline in addition to cell phone service. 3 US homes are randomly selected. What is the probability that at least one of the 3 continues to use a landline? Round your answer to 4 decimal places.
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39.4% of US homes continue to use a landline in addition to cell
phone service. 3...
It is reported that 41% of American households use a cell phone exclusively for their telephone...
It is reported that 41% of American households use a cell phone exclusively for their telephone service. In a sample of eight households, It is reported that 41% of American households use a cell phone exclusively for their telephone service. In a sample of eight households, Find the probability that no household uses a cell phone as their exclusive telephone service. (Round your answer to 4 decimal places.) Find the probability that exactly five households exclusively use a cell phone...
A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arriv...
A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arrive at random at an auto inspection station. If the inspector checks 10 drivers, what is the probability that at least one driver never uses a cell phone while driving? (Round your answer to the hundredth.) Suppose the inspector checks 1000 drivers. Use the normal approximation to the binomial distribution to find the approximate probability that at least 13%...
Assume there are 12 homes in the Quail Creek area and 7 of them have a...
Assume there are 12 homes in the Quail Creek area and 7 of them have a security system. Three homes are selected at random: a. What is the probability all three of the selected homes have a security system? (Round your answer to 4 decimal places.) Probability b. What is the probability none of the three selected homes has a security system? (Round your answer to 4 decimal places.) Probability c. What is the probability at least one of the...
5. It is reported that 35% of American households use a cell phone exclusively for their...
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...
ons er the following information about travelers on vacation: 40% check work erna. 30% use cell...
ons er the following information about travelers on vacation: 40% check work erna. 30% use cell phone to stay connected to work, 35% bring a prop with both check work erna" and use a cell phone to stay connected, and 54.4% neither check work email ror use a cell phone to stay out of every 100 who bring a laptop also check work email, and 70 out of every 100 who use a cell phone to stay connected also bring...
4. Thirteen telephones have just been received at a cell phone repair service and are randomly...
4. Thirteen telephones have just been received at a cell phone repair service and are randomly assigned an order to be repaired. Four of these are iPhones, Seven are Samsung phones, and the other two are LG phones including one that is red. a) What is the probability that two cellphones of each type (iPhone, Samsung, and LG) are among the first six phones serviced? b) What is the chance that the next phone serviced after the first LG phone...
4. Thirteen telephones have just been received at a cell phone repair service and are randomly...
4. Thirteen telephones have just been received at a cell phone repair service and are randomly assigned an order to be repaired. Four of these are iPhones, Seven are Samsung phones, and the other two are LG phones including one that is red. a) What is the probability that two cellphones of each type (iPhone, Samsung, and LG) are among the first six phones serviced? b) What is the chance that the next phone serviced after the first LG phone...
*Quail Creek area and 4 of them have a security system. Three homes are selected at random: A. What is the probability all three of the selected homes have a security system? (answer to 4 decimal plac...
*Quail Creek area and 4 of them have a security system. Three homes are selected at random: A. What is the probability all three of the selected homes have a security system? (answer to 4 decimal places.) B. What is the probability none of the three selected homes has a security system? (answer to 4 decimal places.) C. What is the probability at least one of the selected homes has a security system? (answer to 4 decimal places.) D. Are...
Fourteen percent of cell phone users use cell phones to access the Internet. 10 cell phone...
Fourteen percent of cell phone users use cell phones to access the Internet. 10 cell phone users are selected at random. The probability that at least 7 (out of 10) have used their phones to access the Internet is: a. 0.000008 b. 0.00008 c. 0.008 The probability that at most 6 (out of 10) have used their phones to access the Internet is: a. 0 b. 0.00008 c. 1.0 The probability that at least 7 (out of 10) have not...
In what follows, please round all probabilities to four decimal places. 1. The proportion of Canadian...
In what follows, please round all probabilities to four decimal places. 1. The proportion of Canadian households that rely only on cellphones for communications instead of landline phones was estimated at 4.8% by a Statistics Canada residential telephone service survey. Suppose that 15 Canadian households are randomly selected. Let X be the number of Canadian households that rely only on cellphones for communications instead of landline phones among the selected 15 households. (a) (4 points) Find the probability that exactly...
Assume there are 12 homes in the Quail Creek area and 7 of them have a security system. Three homes are selected at random: a. What is the probability all three of the selected homes have a security system? (Round your answer to 4 decimal places.) Probability b. What is the probability none of the three selected homes has a security system? (Round your answer to 4 decimal places.) Probability c. What is the probability at least one of the...
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...
ons er the following information about travelers on vacation: 40% check work erna. 30% use cell phone to stay connected to work, 35% bring a prop with both check work erna" and use a cell phone to stay connected, and 54.4% neither check work email ror use a cell phone to stay out of every 100 who bring a laptop also check work email, and 70 out of every 100 who use a cell phone to stay connected also bring...
4. Thirteen telephones have just been received at a cell phone repair service and are randomly assigned an order to be repaired. Four of these are iPhones, Seven are Samsung phones, and the other two are LG phones including one that is red. a) What is the probability that two cellphones of each type (iPhone, Samsung, and LG) are among the first six phones serviced? b) What is the chance that the next phone serviced after the first LG phone...
4. Thirteen telephones have just been received at a cell phone repair service and are randomly assigned an order to be repaired. Four of these are iPhones, Seven are Samsung phones, and the other two are LG phones including one that is red. a) What is the probability that two cellphones of each type (iPhone, Samsung, and LG) are among the first six phones serviced? b) What is the chance that the next phone serviced after the first LG phone...
In what follows, please round all probabilities to four decimal places. 1. The proportion of Canadian households that rely only on cellphones for communications instead of landline phones was estimated at 4.8% by a Statistics Canada residential telephone service survey. Suppose that 15 Canadian households are randomly selected. Let X be the number of Canadian households that rely only on cellphones for communications instead of landline phones among the selected 15 households. (a) (4 points) Find the probability that exactly...
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