The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 1 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where possible. d. What is the probability that a randomly selected giraffe will be shorter than 17.8 feet tall?  e. What is the probability that a randomly selected giraffe will be between 18.4 and 19 feet tall?  f. The 85th percentile for the height of giraffes is  ft.

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

A:

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

A: Given,mean(μ)=100standard deviation(σ)=20

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

A: Given information-We have given that adults have IQ scores that are normally distributed.μ= 105σ =…

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

A: Obtain the Z-score for the random variable X equals 129. The Z-score for the random variable X…

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

A: Solution

Q: The probability that a randomly selected adult has an IQ less than 129 is (Type an integer or…

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

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

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

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 sick leave time of employees in a firm in a month is normally with a mean of 100 hours and a…

A: Let X be a continuous random variable of employees sick leave time in a firm in month (in hours) is…

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

A:

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

A: Given: Population mean (µ) = 100 Population standard deviation (σ) = 15

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

A: We have to find .. The probability that a randomly selected adult has an IQ less than 115

Q: For a certain group of individuals, the average heart rate is 74 beats per minute. Assume the…

A:

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

A: Given information Population mean µ = 100 Standard deviation σ = 20 We have to find the probability…

Q: A distribution of data has a mean of 26 and a standard deviation of 2. How many standard deviations…

A: Population mean μ =26 Population standard deviation =2

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

A:

Q: The measurements are 465, 589, 526, 602, 486, 542, 472, 689, and 643. Find the mean and the standard…

A: obtain the mean of the data:The mean for the given data can be obtained by entering the…

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

A:

Q: The mean time taken by all participants to run a road race was found to be 155 minutes with a…

A: Chebyshev's rule :  According to Chebyshev's rule, the probability that XX is within kk standard…

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

A:

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

A: Given that, Mean = 100 Standard deviation = 15

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

A: Let X be the random variable from normal distribution with mean (μ) = 100 and standard deviation (σ)…

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

A: Mean()=105standard deviation()=15

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

A: Suppose the random variable x defines IQ scores of an adult.

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

A: Given that,The bone density test scores are normally distributed.The mean  is 0.The standard…

Q: For a certain group of individuals, the average heart rate is 74 beats per minute. Assume the…

A:

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

A: GIVEN DATA normal distributionμ = 105σ = 15P(x<123) = ?

Q: Assume that​ women's heights are normally distributed with a mean of 63.6 inches and a standard…

A: Sample size ( n ) = 90 Mean = 63.6 inches stanard deviation = 2.5 inches

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: In a study 10 people were given a test. The mean test score was 78.9 points. The standard deviation…

A: Given: Sample size n = 10 Sample mean X = 78.9 Sample standard deviation s = 5.2 Formula Used: X =…

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

A: Given,mean(μ)=312P(X>319)=0.28

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.