According to the Bureau of Transportation​ Statistics,81.9​%of American Airlines flights were on time in 2017. Assume this percentage still holds true for American Airlines. For the next 39 flights from American​ Airlines, use the normal approximation to the binomial distribution to complete parts a through d.   a. Determine the probability that fewer than 28 flights will arrive on time.   The probability is____​(Round to four decimal places as​ needed.)

Q: Smith works as a welder inspector in a shipyard. He knows from keeping track of good and poor welds…

A: Givenp^=0.05sample size(n)=300

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A: Given n=125 P=0.09

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Q: The table summarizes results from 979 pedestrian deaths that were caused by automobile accidents.…

A: Where E denotes the event and S denotes the sample space.

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A: Note : According to our guidelines we are solving only first three sub-parts of a question and the…

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A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

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A:

Q: Let it be stated that the battery of a type of POS device shows an exponential distribution with an…

A: It is an important part of statistics. It is widely used.

Q: The table summarizes results from 980 pedestrian deaths that were caused by automobile accidents.…

A: Given data:   Pedestrian Intoxicated   Driver Intoxicated Yes No Total Yes 56 84 140 No 215…

Q: If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was…

A: The data is given by   Pedestrian intoxicated (Yes) No Total Driver intoxicated (Yes) 44 70 114…

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A:

Q: Current estimates suggest that 70% of the home-based computers in a foreign country have access to…

A:

Q: Suppose that 18% of a random sample of 2307 Miami residents said that they will donate blood in…

A: p =0.18 n = 2307

Q: Suppose that 40% of adult Canadians believe that Canada should apply to host the next soccer World…

A: It is given that 40% Canadians believe that Canada should apply to host the next soccer World cup. A…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.41%. A random sample of 31 of…

A: Guven:Mean (µ) = 2.41Standard deviation (σ) = 1.36Sample size (n) = 31

Q: A certain disease has an incident rate of 0.5%. If the false negative rate is 4% and the false…

A: Given that the false-negative rate is 4%. That means the probability of having the disease when the…

Q: The lifetime of a specific electrical circuit is described by an exponential distribution. The…

A: The provided information is as follows:The lifetime of a specific electrical circuit is described by…

Q: The table summarizes results from 976 pedestrian deaths that were caused by automobile accidents.…

A: From the provided information,Total pedestrian deaths = 976One pedestrian death is randomly…

Q: A social science professor wants to determine if the amount of time that a student, who is in a…

A: Since you have posted question with multiple subparts,we will solve first three subparts for you.To…

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A:

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Q: d. The degrees of freedom = e. The test-statistic for this data (Please show your answer to three…

A: d. Degrees of freedom: df=number of categories-1   =4-1   =3

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Q: The following table shows the systolic blood pressure of 5 women and 5 men.   Women 110 120 95…

A: Given: Women Men 110 114 120 128 95 120 140 152 125 100

Q: Examine the image below and then answer all parts of the question under it. Enter your answers as…

A: a) There are 4 yellow objects in 10 objects.So, P(yellow)=410=0.4b) There are 3 hearts in the 10…

Q: students enrolled in a small liberal arts college have their automobiles stolen during the semester.…

A: Here, The average number of students enrolled in a small liberal arts college have their automobiles…

Q: It is estimated that 3.5% of current high school seniors will live past their 90th birthday. If a…

A:

Q: Use the data in the following​ table, which lists​ drive-thru order accuracy at popular fast food…

A: The provided data is,

Q: Smith works as a welder inspector in a shipyard. He knows from keeping track of good and poor welds…

A: Let p denote the propprtion of poor welds. Given that p = 5% = 0.05 Sample size n = 300

Q: The probability that a salmon swims successfully through a dam is 0.85. Find the probability that…

A: From the provided information, Probability that a salmon swims successfully through a dam is 0.85.…

Q: Suppose that the value of a stock varies each day from $12.22 to $45.34 with a uniform distribution.…

A: Given that.  X ~ Uniform (12.22 , 45.34)

Q: While doing an experiment, a physics student recorded the following sequence of elapsed times (in…

A: According to the given information, we have Total number of observations = 7

Q: A soccer team estimates that they will score on 8% of the corner kicks. In next week's game, the…

A:

Q: A machine has 32 identical components which function independently. The probability that a component…

A: Given, n=32 p=0.24 The machine will stop working if more than three components fail.

Q: g. Thus, the final conclusion is that ... O The data suggest that the population mean number of…

A: The null and alternative hypotheses for correlation are:   H0​:μ=195 H1​:μ ≠ 195 p-value = 0.1227…

Q: The table summarizes results from 975 pedestrian deaths that were caused by automobile accidents.…

A: Required probability is P(pedestrian was not intoxicated or driver was intoxicated)