Given a normal distribution with mean = 100 and standard deviation = 10, what is the probability that X< 80 or X> 110?

Q: What is the probability that an individual's clotting time will be less than 3 seconds or greater…

A: The mean clotting time of blood is 7.45 seconds with a standard deviation of 3.6 seconds.  here X =…

Q: A normal distribution has a mean of μ= 54 and a standard deviation of σ=6 What is the probability of…

A: From a normal distribution, Mean = 54 Standard deviation = 6

Q: In a standard normal distribution, the mean is always 0 Does this suggest that half of the scores…

A: In a standard normal distribution, the mean is always 0 and the Standard deviation is always equal…

Q: The life time of a particular steel plate used in constructions has a normal distribution with a…

A: we have given that, the construction normally distributed with mean (mu)= 80 and standard deviation…

Q: A normal distribution has a normal distribution of 70 with a standard deviation of 8. If one score…

A: Here Given  Mean=μ=70 Standard Deviation=σ=8

Q: The random variable X has a uniform distribution with values between 11 and 21. What is the mean…

A:

Q: The distribution of heart rates for women ages 20-39 is approximately normal with a mean of 73 beats…

A: The mean is 73 and the standard deviation is 15.9.sample size, n = 6.

Q: The mean clotting time of blood is 7.45 seconds with a standard deviation of 3.6 seconds. What is…

A: It is given that the mean is 7.45 and standard deviation is 3.6.

Q: Heights of women are normally distributed with a mean of 62.1 inches and a standard deviation of 2.3…

A: The probability that the height of a woman is more than 64.5 inches is 0.148363.Explanation:A normal…

Q: The standard normal distribution has a mean of zero and a standard deviation of one. TRUE or FALSE

A: A standard normal distribution has a mean zero and standard deviation is one is called as standard…

Q: The probability that a marriage will end in divorce within 10 years is 0.25. What are the mean and…

A: Solution :  Given that  The probability that a marriage will end in divorce within 10 years is 0.25.…

Q: A random variable X follows a normal distribution with mean μ = 100 and standard deviation σ = 20.…

A:

Q: A) has a mean öI 100 and a standar deviation of 10. What is the probability that X will be smaller…

A: We have given that.   X~N( μ , ?^2 )   μ =100 , ? =10   Z-score =( x - μ )/?

Q: What does the variance of a random variable measure? What is the standard deviation of a continuous…

A: Variance of a random variable measures how far a set of (random) numbers are spread out from their…

Q: Glucose levels in patients free of diabetes are assumed to follow a normal distribution with a mean…

A: Given , Mean ( μ ) = 111 standard deviation (σ)  = 10.

Q: normal distribution has a mean of mu = 40 with sd =5. What is the probability of sampling an…

A: we want to find probability of sampling an individual with a score greater than 48

Q: erature of healthy humans has a normal distribution with mean 98.3°F and variance 0.5375. What is…

A: The standard deviation is calculated as: σ=0.5375=0.73314≃0.733 Given:μ=98.3, σ=0.733 The…

Q: The overhead reach distances of adult females are normally distributed with a mean of 38 cm and a…

A: GivenMean(μ)=38standard deviation(σ)=12

Q: Heights of women are normally distributed with a mean of 62.1 inches and a standard deviation of 2.3…

A: 0.79562Explanation:The required probability is P(X&lt;64) where X denotes the height of a woman.For…

Q: Suppose you are doing a sample of 25 from a population that follows normal distribution with the…

A: Given data,Mean μ=95sd σ=15P(X&lt;92)=?

Q: A normal distribution (X) has a mean of 100 and a standard deviation of 10. What is the probability…

A: A normal distribution (X) has a mean of 100 and a standard deviation of 10.

Q: What is the median of a continuous random variable? What is the median of an exponential…

A:

Q: The time spent in days waiting for a heart transplant can be approximated by a normal distribution…

A: Given information- Population mean, μ = 127 days Population standard deviation, σ = 23.5 days Since…

Q: A normal distribution has a mean 80 and standard deviation is 10. What is the probability of…

A: Given:    µ = 80     σ = 10

Q: A nutritionist asks a client to record the number of calories he consumes each day for 6 months. The…

A:

Q: Assume the random variable X is normally distributed with a mean of 50 and a standard deviation of…

A:

Q: 7. Score 113 or lower? 8. Score 113 or higher?

A:

Q: In a normal distribution, what percentage of the population lies with-in 1 standard deviation of the…

A: In a normal distribution, there are predefined percentage of the population which lies in 1 standard…

Q: The average score of 300 students taking a statistics final was 72 with a standard deviation of 5.…

A: We have to find probability..

Q: The standard normal curve is a normal probability distribution that has a mean of 1 and standard…

A: standard normal distribution:-x~N(μ,σ2) then z=x-μσ~N(μ=0,σ2=1)               ~N(0,1)is called…

Q: A random variable X is normally distributed with mean = 80 and standard deviation = 4.5. What is the…

A: The random variable X follows normal distribution. The population mean is 80. The population…

Q: Find the probability that a normal variable takes on values more than 1/6 standard deviations away…

A: The objective of this question is to find the probability that a normal variable takes on values…

Q: A normal distribution has a mean of u=54 and a standard deviation of o=6, what is the probability of…

A: Let "X" be the raw score.