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6.5.37 score: 6492%, 6492 of 100 pts 800 visitors a day. If this amount of website traffic is exp...
Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts,...
Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts, follows a normal distribution, with a mean of 4.54 million visitors per day and a standard deviation of 860,000 visitors per day. (a) What is the probability that the web site has fewer than 5 million visitors in a single day? If needed, round your answer to four decimal digits. (b) What is the probability that the web site has 3 million or more...
Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts,...
Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts, follows a normal distribution, with a mean of 4.48 million visitors per day and a standard deviation of 820,000 visitors per day. (a) What is the probability that the web site has fewer than 5 million visitors in a single day? If needed, round your answer to four decimal digits. (b) What is the probability that the web site has 3 million or more...
eBook Assume that the traffic to the web site of Smiley's People, Inc., which sells customized...
eBook Assume that the traffic to the web site of Smiley's People, Inc., which sells customized T-shirts, follows a normal distribution, with a mean of 4.58 million visitors per day and a standard deviation of 900,000 visitors per day. (a) What is the probability that the web site has fewer than 5 million visitors in a single day? If needed, round your answer to four decimal digits. (b) What is the probability that the web site has 3 million or...
Assume that the traffic to the web site of Smiley’s People,Inc., which sells customized T-shirts,...
Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts, follows a normal distribution, with a mean of 4.44 million visitors per day and a standard deviation of 740,000 visitors per day. (a) What is the probability that the web site has fewer than 5 million visitors in a single day? If needed, round your answer to four decimal digits. (b) What is the probability that the web site has 3 million or more visitors in...
Currently the bus runs every 7 minutes during the day. Let X represent the amount of...
Currently the bus runs every 7 minutes during the day. Let X represent the amount of time Sofia waits for the bus, assuming she arrives at the bus stop at a random time and the bus is running on schedule. (That is, the amount of time Sofia waits is uniformly distributed.) Find the following probabilities (use 2 decimal places for all answers): (a) The probability Sofia waits at most 2 minute(s) = (b) The probability Sofia waits less than 2...
please answer all parts!! A web site experiences traffic during normal working hours at a rate...
please answer all parts!!
A web site experiences traffic during normal working hours at a rate of fifteen visits per hour. Assume that the duration between visits has the exponential distribution (a) Find the probability that the duration between two successive visits to the web site is more than ten minutes. (Round your answer to four decimal places.) 00821 b) The top 25% f durations between visits are at least how long? (Round your answer to two decimal places. 1.15...
Question 12 pts The length of time a person takes to decide which shoes to purchase...
Question 12 pts The length of time a person takes to decide which shoes to purchase is normally distributed with a mean of 8.21 minutes and a standard deviation of 1.90. Find the probability that a randomly selected individual will take less than 6 minutes to select a shoe purchase. Is this outcome unusual? Group of answer choices Probability is 0.88, which is usual as it is greater than 5% Probability is 0.12, which is usual as it is not...
What is the relationship between the number of minutes per day a woman spends talking on...
What is the relationship between the number of minutes per day a woman spends talking on the phone and the woman's weight? The time on the phone and weight for 9 women are shown in the table below. 28 15 Time Pounds 68 149 22 100 64 124 57 143 67 141 101 77 126 68 127 100 0 a. Find the correlation coefficient: r = Round to 2 decimal places. b. The null and alternative hypotheses for correlation are:...
The amount of time adults spend watching television is closely monitored by firms because this helps...
The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). (a) Do you think the variable weekly time spent watching television would be normaly distributed? If not, what shape would you expect the variable to have? O A The variable weekly time spent watching television is likely normally distributed OB. The variable weekly time spent watching television is kely skewed right not normally...
Question 1 Snowfalls occur randomly and independently over the course of winter in a Nebraska...
Question 1 Snowfalls occur randomly and independently over the course of winter in a Nebraska city. The average is one snowfall every 3 days. a) What is the probability of 5 snowfalls in 2 weeks? Carry answer to the nearest ten-thousandths b) What is the probability of a snowfall today? Carry answer to the nearest ten-thousandths Question 2 After observing the number of children checking out books, a librarian estimated the following probability distribution of x,...
eBook Assume that the traffic to the web site of Smiley's People, Inc., which sells customized T-shirts, follows a normal distribution, with a mean of 4.58 million visitors per day and a standard deviation of 900,000 visitors per day. (a) What is the probability that the web site has fewer than 5 million visitors in a single day? If needed, round your answer to four decimal digits. (b) What is the probability that the web site has 3 million or...
please answer all parts!!
A web site experiences traffic during normal working hours at a rate of fifteen visits per hour. Assume that the duration between visits has the exponential distribution (a) Find the probability that the duration between two successive visits to the web site is more than ten minutes. (Round your answer to four decimal places.) 00821 b) The top 25% f durations between visits are at least how long? (Round your answer to two decimal places. 1.15...
What is the relationship between the number of minutes per day a woman spends talking on the phone and the woman's weight? The time on the phone and weight for 9 women are shown in the table below. 28 15 Time Pounds 68 149 22 100 64 124 57 143 67 141 101 77 126 68 127 100 0 a. Find the correlation coefficient: r = Round to 2 decimal places. b. The null and alternative hypotheses for correlation are:...
The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). (a) Do you think the variable weekly time spent watching television would be normaly distributed? If not, what shape would you expect the variable to have? O A The variable weekly time spent watching television is likely normally distributed OB. The variable weekly time spent watching television is kely skewed right not normally...
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