uppose that pulse rates among healthy adults are normally distributed with a mean of 81 beatsminute and a standard deviation of 10 beatsminute . What proportion of healthy adults have pulse rates that are at most 64 beatsminute ? Round your answer to at least four decimal places.

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A:

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A: Given that, Mean = 0.25 Standard deviation = 0.05

Q: If a one-person household spends an average of $76 per week on groceries, find the maximum and…

A: Let the random variable X is the amount of money spent by one - person household. The random…

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: Suppose that pulse rates among healthy adults are normally distributed with a mean of 79 beatsminute…

A: Given that population mean = 79 beats/minute population standard deviation = 10 beats/minute

Q: A data set has a mean of 300 and a standard deviation of 40. What value would have a z-score of z =…

A: z-score of z = - 2 is -7.55 Reason: z-score of z = - 2=-2-meanstandard deviation=-2-30040=-7.55

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A:

Q: Suppose that the scores on a reading ability test are normally distributed with a mean of  60  and…

A:

Q: assume that IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. If…

A: Here we need to find x such that P (X>x)=0.01, where X~N(100,15).

Q: heights of adult women in the United States are normally distributed with a mean of 65 inches and a…

A: The z score can be calculated as: z=x-μσ The required z score that is associated with the top 10% or…

Q: Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of…

A: Z=x - μσ~ N(0,1)

Q: A set of wrist watch prices are normally distributed with a mean of 76dollars and a standard…

A: From the provided information, Mean (µ) = 76 Standard deviation (σ) = 10 X~N (76, 10) Here X be a…

Q: A recent survey found that 61​% of all adults over 50 wear glasses for driving. In a random sample…

A: A recent survey found that 61​% of all adults over 50 wear glasses for driving. In a random sample…

Q: In 2019, the amount of money that motorists spent on gas had a normal distribution with a mean of…

A: Given Information Number of persons sampled (n) = 2400 Mean (µ) = 900 Standard deviation(σ) = 100…

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A: We have given that.   X~N( μ , ?^2 )   μ =0.25 , ? =0.05   Z-score =( x - μ )/?

Q: Assume that the time a student stays in school is normally distributed with a mean of 5 hours and a…

A: Given: μ=5 and σ=0.5.   The z-score is calculated asz=x-μσ

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A: Given data: Mean = 0.22 inches Standard deviation  = .05 inches To find: What proportion of woodlice…

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A: Obtain the Z-score of the random variable X equals 0.27. The Z-score of the random variable X equals…

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A: we have to find given probability..

Q: Annabelle earned a score of 410 on Exam A that had a mean of 450 and a standard deviation of 40. She…

A: Here we need to find the score for exam B such that it is equivalent to the score of exam A. Inorder…

Q: Suppose the talk time on a certain cell phone battery is approximately normally distributed with a…

A:

Q: The principal decided that the top 30% of the class with the highest grades in statistics will be…

A:

Q: Suppose that pulse rates among healthy adults are normally distributed with a mean of  79…

A: Given,mean(μ)=79standard deviation(σ)=10

Q: Suppose that pulse rates among healthy adults are normally distributed with a mean of 80…

A: Here we are given that X: healthy adults have pulse rate /minute  = population mean =80 beats/minute…

Q: The systolic blood pressure (BP) of adults in the USA is nearly normally distributed with a mean of…

A: Given data isMean(μ)=117standard deviation(σ)=21

Q: Suppose that heights of adult men in the United states are normally distributed with a mean of 71…

A:

Q: Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of…

A:

Q: Suppose the scores of students on a Statistics course are Normally distributed with a mean of 440…

A:

Q: Suppose the mathematics SAT scores are normally distributed with a mean of 500 and a standard…

A:

Q: A​ half-century ago, the mean height of women in a particular country in their 20s was 64.7 inches.…

A: Given that: X is normal Distributed with mean µ = 64.7 and standard deviation σ = 2.88 By using…

Q: The heights of adult women in America are also normally distributed, but with a mean of 64.7 inches…

A: Consider a random variable X which represents the heights of adult women in America.  X  follow…

Q: A set of high school student heights are normally distributed with a mean of 161 centimeters and a…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A:

Q: Layla earned a score of 140 on Exam A that had a mean of 200 and a standard deviation of 50. She is…

A: Given :  Score on exam A = X = 140  mean of X =  200  standard deviation of X =  50. Score on exam B…

Q: Suppose that pulse rates among healthy adults are normally distributed with a mean of 79…

A: Based on the provided information, Mean=79 beats/minute Standard deviation=10 beats/minute

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A:

Q: Suppose that pulse rates among healthy adults are normally distributed with a mean of  81…

A:

Q: Christian earned a score of 80 on Exam A that had a mean of 200 and a standard deviation of 40. He…

A: Here we need to compute the marks Christian must obtain in exam B such that it's equivalent to exam…

Q: Assume that human body temperatures are normally distributed with a mean of 98.23 degrees Upper F…

A: Step-by-step procedure to obtain the percentage using MINITAB:Choose Graph > Probability…

Q: Assume that human body temperatures are normally distributed with a mean of 98.23 degrees Upper F…

A: It is given that human body temperatures follows normal distribution with mean of 98.23 and standard…

Q: Brooklyn earned a score of 850 on Exam A that had a mean of 550 and a standard deviation of 100. She…

A: Here we are to assume that scores on each exam are normally distributed.   For exam A, Brooklyn…

Q: Suppose the scores on a college entrance examination are normally distributed with a mean of 525 and…

A:

Q: Mason earned a score of 226 on Exam A that had a mean of 250 and a standard deviation of 40. He is…

A: First find the standardised Z score and the make equivalency

Q: Suppose the exam average in a class is 55% with a standard deviation of 4. What proportion of…

A: The random variable score follows normal distribution. The population mean is 55.         The…

Q: Professor Brown administered an achievement test, which as he remembers from years of experience,…

A: Given: Population mean score(μ)=85 Sample mean(X¯)=89 Sample standard deviation(s)=14 n: no of…

Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 122…

A: Given that, The systolic blood pressure of adults in the USA is nearly normally distributed with a…

Q: Jeremiah earned a score of 530 on Exam A that had a mean of 450 and a standard deviation of 40. He…

A:

Q: Suppose the exam average in a class is 82% with a standard deviation of 6. What proportion of…

A: Here, mean is 82 and standard deviation is 6.

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

A: Given that.   X~N( μ , ?^2 )   μ=100     , ?=15   Z-score =( x - μ )/?

Q: Suppose that pulse rates among healthy adults are normally distributed with a mean of  79…

A: Let X be pulse rates among healthy adults  Given, Mean = 79 Standard deviation = 8

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.