Suppose the maximum speed of a moped is. normally distributed with a mean value 46.6 km/h and standard deviation 1.81 km/h. Consider randomly selecting a single such moped. a). What is the probability that the maximum speed is at most 48 km/hr? (Round your answer to four decimal places.) b). What is the probability that the maximum speed is at least 50 km/hr? (Round your answer to four decimal places.) c). What is the probability that the maximum speed differs from the mean value by at most 2.3 standard deviations? (Round your answer to 4 decimal places).

Q: A particular fruit's weights are normally distributed, with a mean of 235 grams and a standard…

A: We have given that.   X~N( μ , ?^2 )   μ =235 , ? = 24    Z-score =( x - μ )/?

Q: Los Angeles workers have an average commute of 34 minutes. Suppose the LA commute time is normally…

A: a) Mean= 34 Standard deviation = 15  So, variance= 152= 225 X~N(mean, variance)=N(34,225)…

Q: b. Find the probability that this American man consumes between 9.3 and 11.2 grams of sodium per…

A: Mean()=9.6standard deviation()=0.8

Q: According to a recent survey, 71% of teens ages 12-17 in a certain country used social networks in…

A: Sample size n=140Population proportion p=0.71

Q: 2. The mean afternoon temperature in Quezon City for the month of April is 37°C and the standard…

A: The normal distribution related problems can be solved by using the standard normal z score method…

Q: he average price of a college math textbook is $164 and the standard deviation is $27. Suppose…

A:

Q: Set A has a standard deviation of 2 and Set B has a standard deviation of 5. Which statement is…

A: Solve the following

Q: María Victoria measured the outcomes of throwing a cone 20 times. The results are provided in the…

A: A is the event associated with a sample space in which n equally likely outcomes present. If n(A) is…

Q: Some sources report that the weights of full-term newborn babies in a certain town have a mean of 8…

A: Provided information is; Mean(μ) = 8 Standard deviation(σ) =1.2 Let , X be the random variable that…

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

A: Let "X" be the IQ score of the adults.

Q: 10. What is the probability that a randomly selected Christmas tree has more than 16 candy canes? A.…

A:

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: From the provided information, Mean (µ) = 0 Standard deviation (σ) = 1 Let X be a random variable…

Q: USe the data In the föllowing table, which lists drive-thru order accuracy at popular fast food…

A: Given :   A B C D Total order Accurate 339 263 246 131 979 order Not Accurate 39 59 31 14 143…

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: The weights of steers in a herd are distributed normally. The standard deviation is 200lbs. and the…

A: Let "X" be the weight of steers in a herd.

Q: 3. A customer booking a grab ride spends an average of 45 minutes finding a driver during rush…

A: The question is about normal dist.Given :Popl. mean time (  ) = 45 minPopl. std. deviation of time (…

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 66…

A: Given : X~Nμ=66,σ=17

Q: A decibel is a measure of intensity of sound. The average number of decibel at a concert is 130.…

A:

Q: 8 The population of a country follows a normal distribution with mean height 175 cm and standard…

A: Mean(µ) = 175Standard deviations (σ) = 6X ~ N (µ, σ )= N(175, 5)

Q: 1. The length of life of an instrument produced by a machine has a normal distribution with a mean…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: ness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the…

A: As the population standard deviation is not known, we will use t distribution. Df = n-1=697-1=696…

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

A:

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

A: The total number of observed order that are given in the table are Total orders =…

Q: Suppose you roll one six-sided die. Let X = the number shown on the die. Calculate μ, the mean value…

A: There are 1,2,3,4,5,6 on a die  Probability of getting a number is = 1/6

Q: The average THC content of marijuana sold on the street is 10.8%. Suppose the THC content is…

A: Given, mean= 10.8  Standard deviation= 1 So, variance= 12=1 So, X~N(mean,variance)= N(10.8,1)…

Q: Billiard tables have mean degree of balance 0 and standard deviation 1 What is the probability…

A: It is given that the mean and standard deviation are 0 and 1.

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

A:

Q: ease answer all these question

A: (a) Given: μ=18, σ=4.5 The corresponding z-value needed to be computed is: The probability that a…

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

A: From the provided information, The table can be constructed as:   A B C D Total…

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

A: The provided data is,

Q: Suppose the time it takes a data collection operator to fill out an electronic form for a database…

A:

Q: The weights of men in a certain region are normally distributed with a mean of 192 lbs., and a…

A: Given: Let μ denote the population mean of weights of men in a certain region (μ=192 lbs). Let σ…

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

A: The total number of orders that are given are  Total order = 326+276+235+140+33+52+40+15 = 1117

Q: Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 38 miles…

A:

Q: d. There is a 30% chance that X is above what value? X=[ (Type an integer or decimal rounded to two…

A: Given: n=100μ=50σ=5

Q: The popular restaurant is 23.5 minutes, with a standard deviation of 3.6 minutes. Assume the…

A: From the provided information, Mean (µ) = 23.5 Standard deviation (σ) = 3.6 X~N (23.5, 3.6) Here X…

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: Given that μ=0 and σ=1 Consider, P(x>0.83)=P(x-μσ>0.83-μσ)                  =P(z>0.83-01)…

Q: 3. Explain in your own word and give an example of Negatively Skewed and Positively Skewed.

A: We know that , Skewness is a measure of the symmetry of a distribution. Either the distribution is…

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

A: The frequency table corresponding to drive thru order accuracy of fast-food chains given.

Q: 41) The mean is u = 137.0 and the standard deviation is o = 5.3. Find the probability that X is…

A: Given Mean=137 Standard deviations=5.3

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

A: The following information table is provided.   A B C D Total Order accurate 327 266 233 121…

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

A: The provided data is,

Q: A random sample of 10 young men was taken and the heart rate (HR) of each young man was measured…

A: Given: Sample size n = 10 Significance level α = 0.05   Formula Used: Test-statistic t = XDSDn