Find the Z score associated with a tail probability of 0.0217
Q: Find the mean and standard deviation of the binomial distribution, P=0.54 and n=32
A: From the provided information, p = 0.54 and n = 32
Q: Find the Z score associated with a tail probability of 0.3336
A:
Q: Find the mean, variance, and standard deviation of the binomial distribution with n = 84 and p =…
A: Given that n = 84 p = 0.65
Q: Find the mean and variance for the binomial distribution, P=0.37,n=22
A: Answer: From the given data, p = 0.37 and q = 1 - p = 1 - 0.37 = 0.63 sample size ( n )= 22
Q: If a female is randomly selected, find the probability that her pulse rate is between 69 beats per…
A:
Q: Assume that adults have IQ scores that are normally distributed with a mean of 97.8 and a standard…
A: Given a mean of 97.8 and a standard deviation of 23
Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…
A:
Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…
A: The probability value is calculate by means of standard normal variate with the random variable,…
Q: Find the mean and variance for the binomial distribution P=0.46 and n=25
A: Answer: From the given data, sample size(n) = 25 P = 0.46
Q: A test score in the top 2% is required. The test is designed to have a mean of 100 and a std dev. of…
A: It is given that the test is normally distributed with mean 100 and standard deviation is 15. The…
Q: Find the probability that 1 man has weight greater than 160 lb. Assume that weights of males are…
A: Let X represent the random variable Mean=182.9 SD=40.8 X~ Normal (182.9, 40.82)
Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…
A: Obtain the probability of a bone density test score greater than –1.52. The probability of a bone…
Q: The net weight of a can of salmon is a random variable with a mean of 6.07 ounces and a standard…
A:
Q: Find the mean and variance for the binomial distribution, P=0.56 and n= 8
A: Number of trials n=8 Success of probability p=0.56 X~binomial (n,p)
Q: ). A certain part of a machine can be in two states: working or undergoing repair. A working part…
A: A certain part of machines can be in two states- State : WorkingState : Undergoing repairThe…
Q: A statistics professor is training for a 5K race. Her training times in a 5K follow a normal…
A: It is given thatMean, μ = 25Standard deviation, σ = 0.5Z-Score, Z = ( X - μ )/σwhere, Z be the…
Q: Suppose the weight of an adult male Labrador is normally distributed with u=71.2 pounds and a…
A: Mean()=71.2standard deviation()=3.4
Q: Find the probability that a randomly selected adult has an IQ greater than 129.9.
A: Let X denote the IQ scores. Given that X follows N(mean = 98.6, SD = 18.5), then Z = (X - mean)/SD…
Q: The average GPA at a college is 2.79 with a standard deviation of 0.6. Find the probability that 7…
A: Let X, be the random variable of average GPA at a college follows Normal distribution with a mean…
Q: The population mean is 20 inches and population standard deviation is 4 inches. A random sample of…
A: mean = 20 s =4
Q: The mid-term exam scores in a statistics class were normally distributed with a mean of 70 and…
A:
Q: For a measure of body weight, converted to z or standard scores, what is the probability of having…
A: Solution For standard normal distribution, Mean=0 & standard deviation = 1. Find:
Q: Find the 2525 -th percentile for the standard normal random variable ZZ
A: For aa standard normal variable, mean is 0 and standard deviation is 1.
Q: iron rods are produced in 6 groups. they each are required to tolerate a total length between 166…
A: Given Information: Consider the variable X which follows uniform distribution with parameters…
Q: A brewery claims that the mean amount of beer in their bottles is at least 12 ounces. Determine…
A: Given that, a brewery claims that the mean amount of beer in their bottles is at least 12 ounces.
Q: Find the mean and variance for the Binomial distribution, P=0.36 and n = 33
A: Answer: From the given data, P = 0.36 and n = 33
Q: Find the mean and standard deviation of the binomial distribution, P=0.84 and n=43
A: Answer: From the given data, Sample size(n) = 43 P = 0.84
Q: The heights of students are normally distributed with mean 161 inches and standard deviation of 4.56…
A: From the provided information, Mean (µ) = 161 Standard deviation (σ) = 4.56 X~N (161, 4.56)
Q: Find the mean and variance for the binomial distribution, P=0.45 and n=12
A: Answer:- Given, Sample size, n = 12 Probability of success on a trial, p = 0.45 Using formulas,…
Q: Assume that adults have IQ scores that are normally distributed with a mean of 104.7 and a standard…
A: It is given that the IQ score follows normal distribution with mean 104.7 and standard deviation…
Q: A factory produces plate glass with a mean thickness of 4mm and a standard deviation of 1.1 mm. A…
A: We have given that Mean(µ) = 4Standard deviations (σ) = 1.1random sample of (n) = 100
Q: Find the mean and variance for the binomial distribution n= 50 and p= 0.25
A: Answer: From the given data, Using binomial distribution with parameters, n = 50 p = 0.25
Q: Find the mean and variance for the binomial distribution, P=0.13, n=19
A: Answer: From the given data, P = 0.13 Sample size(n) = 19
Q: Find the 42 -th percentile for the standard normal random variable Z
A: Solution Using standard normal table , P(Z < z) = 42% P(Z < z) = 0.42
Q: Find the mean and variance for the binomial distribution, P=0.29 and n= 13 Round to two…
A: Answer: From the given data, For the binomial distribution, P = 0.29 n = 13
Q: Find the mean and variance for the binomial distribution, P = 0.65, n = 12
A: Answer: From the given data, Sample size(n) = 12 p = 0.65 X follows binomial distribution (n,p)
Q: Assume that adults have IQ scores that are normally distributed with a mean of 98.1 and a standard…
A: Answer:- Given, IQ scores(X) are normally distributed with mean, μ = 98.1 and standard deviation, σ…
Q: The green turtle migrates across the Southern Atlantic in the winter, swimming great distances. A…
A: X~N( μ , ?) μ=2200 , ?=625 Z-score =( x - μ )/?
Q: The expected value of a random variable X that is denoted by u is called its a .variance b.mean C.…
A: The expected value of a random variable X that is denoted by u is called its ?
Q: Find the variance for the binomial distribution, P=0.87 and n= 32
A: Answer: From the given data, P = 0.87 n = 32 X follows binomial distribution (n,p)
Q: A physical fitness association is including the mile run in its secondary-school fitness test. The…
A: Given: μ=440σ=40
Q: The heights of students are normally distributed with mean 161 inches and standard deviation of 4.56…
A: Answer: From the given data, Let X: heights of students X is normally distributed with Mean (μ) =…
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- a physical fitness association is including the mile run in its secondary school test. the time for this event for girls in the secondary school is known to posses a normal distribution with the mean of 450 seconds and standard deviation of 59 seconds. find the probability that a randomly selected girl in secondary school will take longer than 335 seconds to run the mile A. 0.5107 B. 0.9893 c. 0.0107 D. 0.4893A population distribution has o =6. What position in this distribution is identified bya z-score = + 2.00?Find the mean and variance for the binomial distribution P=0.33 and n=26
- The golf scores for a school team were normally distributed with a mean of 68 and a standard deviation of three.Find the probability that a golfer scored between 66 and 70Assume that adults have IQ scores that are normally distributed with a mean of 98.5 and a standard deviation of 16.9. Find the probability that a randomly selected adult has an IQ greater than 125.0The weekly earnings of shift supervisors in the glass industry follow a normal probability distribution with a mean of $1,000 and a standard deviation of $100. What is the z value of income X of a supervisor who earns $1,100 per week? What about a supervisor who makes $900 a week?
- Assume that adults have IQ scores that are normally distributed with a mean of 103.9 and a standard deviation of 16.5. Find the probability that a randomly selected adult has an IQ greater than 132.4c. Vehicle speeds at a highway location have a normal distribution with mean u = 65 mph and standard deviation o = 5 mph. Find the probability that a randomly selected vehicle speed is greater than 73 mph.The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.65.6 days and a standard deviation of 2.12.1 days. What is the probability of spending more than two days in recovery? A.) 0.9568 B.) 0.0432 C.) 0.8922 D.) 0.0401
- The MPG (miles per gallon) for a certain compact car is normally distributed with a mean of 30 and a standard deviation of 1. What is the probability that the MPG for a randomly selected compact car would be less than 28?Assume the probability that a maple tree at age 10 grows less than 110 cm is equal to 0.4. If the height of maple trees at age 10 are estimated to be normally distributed with mean u cm and variance 100 cm. find u.The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease, find the mean and standard deviation of the number of recoveries among 15 patients.