Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 38 miles per day. The mileage per day is distributed normally. Find the probability that a truck drives between 119 and 149 miles in a day. Round your answer to four decimal places.

Q: Truck delivery fleet travel a mean of 110 miles per day with a standard deviation of 25 miles per…

A: Obtain the Z-score for the random variable X equals 97. The Z-score for the random variable X equals…

Q: Find the probability of selecting someone who uses drugs. Round to 3 decimal places

A: Positive test resultsNegative test resultsSubjects uses drugs455Subjects does not uses drugs25480

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A:

Q: A couple plans to have 14 children. Assume that girl and boy births are equally likely. Find the…

A: A couple plans to have 14 children. Assume that girl and boy births are equally likely.

Q: Reading scores. The grade-level reading scores from a reading test given to a random sample of 12…

A: From the provided information, Sample size (n) = 12

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A:

Q: Tossing Coins Find the mean, variance, and standard deviation for the number of heads when 19 coins…

A: Let X be the number of heads and n be the number of coins tossed.

Q: x 0 1 2 3 4 P(x) 0.11 0.34 0.45 0.03 0.07

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Q: Find the mean, variance, standard deviation, zscore of each variable.

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Q: find the mean, standard deviation, the IQR, and tell how the data is skewed, if it is. using the…

A: If the distribution is divided into two parts and the two sides are a mirror image of each other,…

Q: Ted is not particularly creative. He uses the pickup line "If I could rearrange the alphabet, I'd…

A:

Q: Trucks in a delivery fleet travel a mean of 130 miles per day with a standard deviation of 39 miles…

A: The data on per day mileage of a delivery truck is normally distributed. Population mean, Population…

Q: P(x) 0.15 0.35 0.40 10 0.10 x368

A: Solution-: We have given the following table: X P(X) 3 0.15 6 0.35 8 0.4 10 0.1 We…

Q: Find the mean, variance and standard deviation. round all answers to on decimal place.

A: The mean of the variable X obtained as given below: Here, X denote the observation.

Q: Please do not give solution in image formate thanku.  A survey investigated how much money parents…

A: Population mean, Population standard deviation,

Q: ection A. 80 85 75 76 81 76 75 76 76 96 85 78 73 81 89 74 74 76 86 74 90 75 88 79 86 81 90 89 88 85…

A: Given data, For Section A…

Q: Trucks in a delivery fleet travel a mean of 110 miles per day with a standard deviation of 35 miles…

A: Let X be the miles driven per day by a truck.

Q: b) The following table shows the time students from a college took to complete a marathon. Time…

A:

Q: Trucks in a delivery fleet travel a mean of 80 miles per day with a standard deviation of 35 miles…

A: We denote the mean by the symbol  and the standard deviation by the symbol . It is giventhat  and…

Q: Place the following in order to show how you find the standard deviation. Take the square root of…

A:

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A: Calculation: Let X denote the temperature reading of a randomly selected thermometer. The…

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

A:

Q: Find the mean, variance and standard deviation. round all answers to on decimal place.

A: Solution: Suppose two dice rolled. Then, the sample space is Let X be the sum shown on the two…

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A:

Q: Find the mean, variance and standard deviation. round all answers to on decimal place

A:

Q: Identify the range, variance and standard deviation. show complete solutions

A: Step 1: Range Computation Range = Highest Value - Lowest ValueRange = 264-124 = 140 - Step 2:…

Q: X 1 2 3 4 5 6 P(x) 0.09 0.14 0.22 0.20 0.17 0.18

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Q: Assume a mean of 105 papers and a standard deviation of 15 papers. Pays 40¢ for each paper, paper…

A: Given information: μ=105σ=15Cost price for paper=40 centsSelling price for paper=90 cents

Q: Juan makes a measurement in a chemistry laboratory and records the result in his lab report. The…

A: The standard deviation of students lab measurements is 8. Juan repeats the measurement 2 times. That…

Q: Suit Sales The number of suits sold per day at a retail store is shown in the table, with the…

A: Given table is : Number of suits sold X1718192021Probability P(X)0.10.10.30.10.4We have to find the…

Q: A couple plans to have 5 children. Assume that girl and boy births are equally likely. Find the…

A:

Q: Thirty-one percent of adults think that life existed on Mars at some point in time.   You randomly…

A: Given information: Thirty-one percent of adults think that life existed on Mars at some point in…

Q: Find the mean, variance and standard deviation. round all answers to on decimal place.

A:

Q: Trucks in a delivery fleet travel a mean of 90 miles per day with a standard deviation of 23 miles…

A: Given that The mean of 90 miles per day with a standard deviation of 23 miles per day.

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 the readings on the thermometers are normally distributed with a mean of 0° and standard…

A: Given, μ=0, σ=1p(x<a)=0.90Px-μσ<a-μσ=0.90Pz<a-01=0.90P(z<a)=0.90

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A: Given,mean(μ)=312P(X>319)=0.28