The mean percent of childhood asthma prevalence in 43 cities is 2.13%. A random sample of 30 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.4% ? Interpret this probability. Assume that a = 1.21%. The probability is (Round to four decimal places as needed.).

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.27​%. A random sample of 33 of…

A: Given : μ = 2.27 , σ= 1.27 and n= 33 By Central Limit Theorem, x̅ follows a Normal distribution…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.34%. A random sample of 31 of…

A:

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Q: 9% of all cars fail the emissions inspection, find the probability that in a sample of 125 cars, 16…

A: Given n=125 P=0.09

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A: Given: Prob. that person owns a pet, p=0.4 No. of success, r=3

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.38%. A random sample of 32 of…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of u= 100 and a standard…

A: Obtain the standard z-score for the random variable equals 140 The standard z-score for the random…

Q: Find the probability that more than  6.6%  of the individuals in the sample of  352  hold multiple…

A: Given p = 0.066 n = 352 X ~ B(n, p) P(X=x) =  Cxn px(1-p)n-x ; x=0,1,2...…

Q: The data represent the results for a test for a certain disease. Assume one individual from the…

A: The data represent the results for a test for a certain disease. Assume one individual from the…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.21%. A random sample of 32 of…

A: Guven:Mean (µ) = 2.21Standard deviation (σ) = 1.36Sample size (n) = 32

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: furnace bills are normally distributed.  With a mean of 273 and an SD of 30.  If 144 bills are…

A: Let M denote the mean of sample of n = 144 bills. Then M follows N(mean = 273, SD = 30/√(144) = 2.5)…

Q: . The Division of Traffic and Parking at a large university wants to know the percentage of tudents…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.06​%. A random sample of 34 of…

A: Let X denote childhood asthma prevalence,  Mean = 2.06 Standard deviation = 1.28 Sample mean will be…

Q: Find the indicated probability and interpret the result. From 1975 through 2020, the mean annual…

A: The random sample of size,The mean of the distribution,  The standard deviation of the distribution,…

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ = 100 and a…

A: From the provided information, Mean (µ) = 100 Standard deviation (σ) = 15

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.42%. A random sample of 33 of…

A: Given that  Mean percent of childhood ashthma prevalence =2.42%                      =0.0242 Sample…

Q: Is the probability of a bowler rolling a strike higher after he has thrown four consecutive strikes?…

A: Bowler After Four strikes After Four Non-strikes 1 0.632 0.421 2 0.684 0.4 3 0.61 0.529…

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Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a…

A: Let X denote the IQ scores of adults. Given that X follows N(mean = 105, SD = 20), then Z = (X -…

Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a…

A: Let X is defined as the adult have IQ scores that are normally distributed with mean of 100 and…

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: The mean percent of childhood asthma prevalence in 43 cities is 2.23%. A random sample of 34 of…

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Q: that a randomly selected adult has an IQ between 91 and 119. Click to view page 1 of the table,…

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Q: Assume that the probability of a defective computer component is 0.22. Find the probability that the…

A: The probability density function for the geometric distribution with x trails for the first success…

Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a…

A: Given information Mean µ = 105 Standard Deviation σ = 15

Q: The probability of a number cube landing on 5 is 1/6.  If a number cube is tossed 72  times, how…

A: Given that: n=the number of trials=72 p=probability of landing on 5= 1/6   Each toss is independent…

Q: Find the indicated probability and interpret the result. From 1975 through 2020, the mean annual…

A: The mean is 653 and the population standard deviation is 1540.

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.38%. A random sample of 30 of…

A: Given Information: Population mean (u) = 2.38% Sample size (n) = 30  Sample mean (x) = 2.8%…

Q: Assume that adults have IQ scores that are normally distributed with a mean of u 105 and a standard…

A: Given that, Mean = 105 and Standard deviation = 15

Q: Assume that adults have IQ scores that are normally distributed witha mean of u =100 and a standard…

A: