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A large airline wants to estimate its average number of unoccupied seats per flight over the past year. To accomplish this, the records of 30 flights are randomly selected and the number of unoccupied seats is noted for each of the sampled flights. The data is tabulated below.
8 18 13 11 22 14
9 18 10 18 13 15
7 16 11 10 20 19
13 16 19 18 22 23
6 15 11 12 18 12
Give a 90% confidence interval for the average number of empty seats. Use the sample standard deviation rounded to 3 decimal places. Put your answers in (a, b) form with parentheses and space after the comma required. Round your answers to two decimal places!
What do all of the documents tell you about the issues and problems that were affecting people's behavior around 1900?
A survey of licensed drivers inquired about running red lights. One question asked, "Of every ten motorists who run a red light, about how many do you think will be caught?"
In the following enthymemes, determine whether the missing statement is a premise or a conclusion.- Only nonprofit organizations are exempt from paying taxes, so churches must be exempt.
Assume that adults have IQ scores that are normally distributed with a mean of mu equals 100 μ=100 and a standard deviation sigma equals 15σ=15. Find the probability that a randomly selected adult has an IQ less than 121121.
What is the first assumption for ANOVA? Is it likely that the researchers met this assumption? Explain your answer.
Relevant literature review. Justify research methodology appropriate to team performance
You would like to know if operating red-light camera can actually reduce the number of traffic violation. We know that the average number of tickets before the implementation of red-light camera on daily basis was 15.
Laid-off workers who become entrepreneurs because they cannot find meaningful employment with another company are known as entrepreneurs by necessity. A major national newspaper reports that these entrepreneurs by necessity are less likely to grow..
Particleboard is made from wood chips and resins. An experiment is conducted to study the effect of using slash chips (waste wood chips) along with standard chips.
The Appliance Center has six sales representatives at their North Jacksonville outlet. Listed below is the number of refrigerators sold by each last month.
Find the probability of getting at most two wrong numbers.
1. find the probability distribution for x the sum of a fair four sided die and and fair sixsided die. b for x from
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