Let X represent the full height of certain species of tree. Assume that X is normally distributed with a mean of 35.2 feet and a standard deviation of 28.7 feet. Find the probability that the full height of a randomly selected tree is greater than 58.2 feet. P(X>58.2)P(X>58.2) =  Enter your answer as a

Q: Assume that the amount of time people can hold their breath is normally distributed with a mean of…

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

Q: Alex’s times for running a mile are Normally distributed with a mean time of 5.28 minutes and a…

A: Let n1 be the sample size of alex  n2 be the sample size of chris Given  n1=10, n2=15 , standard…

Q: In a country, the mean time served by prisoners released from prison for the first time is 33.8…

A: Given: Population meanμ=33.8Population standard deviation σ=17.2

Q: Assume that the results are normally distributed. Pedro took an exam in a class in which the mean…

A: The formula for z-score is z = x - μσ where μ is the mean and σ is the standard deviation.…

Q: A distribution of values is normal with a mean of 79.5 and a standard deviation of 7.4. Find the…

A: A distribution of values is normal Mean = 79.5 Standard deviation = 7.4

Q: The percent of fat calories that a person consumes each day is normally distributed with a mean of…

A: The mean percent of fat calories that a person consumes each day μ= 35 Standard deviation σ = 10…

Q: Suppose that a category of world class runners are known to run a marathon (26 miles) in an average…

A: The random variable X is the average of the 49 races. The mean is 142, and standard deviation is 13.…

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

A: test scores are normally distributed with a mean of 0 and a standard deviation of 1  find the…

Q: A data set has a mean of x = 217 and a standard deviation of 43. Find the z-score for each of the…

A: We know, in a Normal Distribution, z- score is given as, , where is the mean and  is the standard…

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

A:

Q: Working in the garden pulling weeds/planting flowers burns an average of 200 calories per hour. If…

A: It is given that  Mean, μ = 200 Standard deviation, σ = 9 Z-Score, Z = ( X - μ )/σ

Q: Today, the waves are crashing onto the beach every 4.5 seconds. The times from when a person arrives…

A: Define the random variable, X : The times from when a person arrives at the shoreline until a…

Q: The test scores are normally distributed with a mean of 78 and a standard deviation of 9. If 39…

A: Obtain the probability that the average score is between 80 and 84. The probability that the average…

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

A:

Q: Americans receive an average of 15 Christmas cards each year. Suppose the number of Christmas cards…

A: From the provided information,

Q: Suppose that a category of world class runners are known to run a marathon (26 miles) in an average…

A: X¯ ~ N(μx¯ , σx¯) μx¯=μ=142 σx¯=σn=1349=1.86 N = Normal distribution

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: ores are normally distributed with a mean of 1518 and a standard deviation of 325. If 1 SAT score…

A: Given: μ=1518, σ=325 The corresponding z-value needed to be computed is: If 1 SAT score is randomly…

Q: A sample of 3000 observations has a mean of 88 and a standard deviation of 13. The distribution is…

A: Solution :  Given:   n   = 3000 samples              x¯   = 88               s   = 13 For bell…

Q: The average American man consumes 9.7 grams of sodium each day. Suppose that the sodium consumption…

A: Normal distribution, is a probability distribution that is symmetric about the mean, showing that…

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

A:

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

A:

Q: The average American man consumes 9.6 grams of sodium each day. Suppose that the sodium consumption…

A: Given Information : The average American man consumes 9.6 grams of sodium each day. Suppose that…

Q: Assume that blood pressure readings are normally distributed with a mean of 123 and a standard…

A:

Q: The average American man consumes 9.8 grams of sodium each day. Suppose that the sodium consumption…

A: a) From the given information, the mean and standard deviation are 9.8 grams and 1 grams. The…

Q: A manufacturer of light bulbs finds that one light bulb model has a mean life span of 1026 h with a…

A: Given :- A manufacturer of light bulbs finds that one light bulb model has a mean life span of 1026…

Q: Let X = number of miles a family travels for summer vacation. X follows a normal distribution with a…

A: From the given information,X follows a normal distribution with a mean of 311 miles and standard…

Q: The IQ score that separates the bottom 15% from the top 85% is P,5 =. (Round to the nearest…

A:

Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is 5…

A: given data,normal distribution μ=5σ=3probability that person will wait more than 9 minutes =?

Q: Assume that adults have IQ scores that are normally distributed with a mean of 101.9 and a standard…

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

Q: Assume that women's weights are normally distributed with a mean given by mean=143 lb and a standard…

A:

Q: The amount of rain falling in Waimea Canyon State Park, Kauai is normally distributed with a mean of…

A:

Q: Does room temperature affect cognitive function A psychologist randomly divides 60 volunteers into…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 101.7 and a standard…

A: According to the given information in this question We need to find the following probability

Q: Assume that math test scores are normally distributed with a mean of 400 and a standard deviation of…

A:

Q: A local firm reported that an American family of four washes an average of 2000 pounds of clothes…

A:

Q: The average American man consumes 9.5 grams of sodium each day. Suppose that the sodium consumption…

A: Let X = the amount of sodium consumed. Round all numeric answers to 4 decimal places where possible.…

Q: In a population distribution, a score of X= 57 corresponds to z= -0.25 and a score of X= 87…

A: From the given information, The distance between 57 and 87 is 30 units. (=87–57) The distance…

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: Find the are of the shaded region. The graph depicts the iq scores of adults and those normally…

A:

Q: Round each z-score to the nearest hundredth. A data set has a mean of  x = 213  and a standard…

A: For a sample point x, the corresponding z-score is given by    z = (x - )/ Where,  = mean of the…

Q: Assume that thermometer readings are normally distributed with a mean of 0degrees°C and a standard…

A: The standard normal variable Z is defined as, Z = (X – µ)/σ, where µ is the mean of the random…

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.