Suggest any value, Zo, of the standard normal probability distribution (correct to two decimal places), satisfying -1< z, < 2 and then calculate: a) P (Z> -zo) and b) P (Z< 2z0)
Q: Assume the random variable x is normally distributed with mean u = 84 and standard deviation o = 5.…
A: Given that, Mean = 84 Standard deviation = 5
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A: Solution: Let X be the number of eligible voters aged 18-24 voted and n be the sample number of…
Q: 24 - Since Z is a continuous variable with a standard normal distribution, what is the…
A: To find: P(-0.50<Z<2)= ??
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A:
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A: Given data, n=108 p=22% =0.22 P(X<26)=? .
Q: Assume that ? is a random variable has a gamma distribution with (alpha) = 3 and (beta) = 10. A)…
A: Here alpha = 3 , beta = 10 Mean = 3×10 = 30 Standard deviation = 10 √3 = 17.32
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A:
Q: Use the normal approximation to the binomial distribution to find the probability that, out of 1500…
A: Assuming that the probability of vaccine effect on each individual to be p=0.8 then assuming X is…
Q: Find the area under the standard normal distribution represented by each probability. (Round your…
A: a) p(z<-1.52) = 0.0643 The probability is = 0.0643 b) p(z>0.53) = 1-p(z<0.53) =1 - 0.7019…
Q: C. The time needed to repair the engine of a car is exponentially distributed with a mean time equal…
A:
Q: Use the Central Limit Theorem to find the probability of the indicated event, assuming that the…
A: Solution-:Given: We want to find P(the average wait time for a group of 90 patients on a particular…
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A:
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A: Let "X" be the eligible voters who voted. The binomial probability is converted to normal…
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A:
Q: Use normal approximation to find the probability of the indicated number of voters. In this case,…
A: Given proportion of voters aged 18-24, who actually voted = 0.22Total number of eligible voters in…
Q: Assume the random variable x is normally distributed with mean u= 89 and standard deviation o = 5.…
A: Given: Mean,μ=89Std deviation,σ=5
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A: From the provided information,Sample size (n) = 111And p = 0.22
Q: Assume the random variable x is normally distributed with mean u = 50 and standard deviation o = 7.…
A: Given: X is normally distributed random variable with μ=50σ=7
Q: The weekly wages of workers are normally distributed with mean Riyals 70 and standard deviation…
A: Given data Mean μ = 70 Standard deviation ? = 5 Probability that the wage of a worker is between 69…
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A: The parameters for the normal approximation can be calculated as:
Q: iv) P(z < –1.96) v) P(-1.96 < z) vi) P(-2.38 <z < -1.03)
A: b Obtain the probability of z less than –1.96. The probability of z less than –1.96 is obtained…
Q: He's a normal approximation to find the probability of the indicate a number of voters in this case…
A:
Q: j) The probability that the next customer will take one standard deviation around the expected…
A: Here given at a newsstand, customers who buy a newspaper or magazine do so with an average of 1.6…
Q: Let X be a binomial random variable with mean u = 3.6 and %3D variance o? 2.52, find %3D
A: Givenmean(μ)=3.6variance(σ2)=2.52
Q: a) P(X 3) =
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Q: Assume the random variable x is normally distributed with mean u = 85 and standard deviation o = 5.…
A: Given: μ=85σ=5 The z-score is given by, z=X-μσ
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A: Solution: - Let X be the number of eligible voters at the age 18 - 24. The probability of eligible…
Q: Assume the random variable x is normally distributed with mean µ = 88 and standard deviation o = 4.…
A: Mean = 88Standard deviation = 4
Q: Suppose a random variable X a is a normally distributed random variable X ∼ N(μ,σ2) with μ = 1.50…
A: INTRODUCTION: NORMAL DISTRIBUTION: Let x be a continuous random variable is said to follow normal…
Q: Assume the random variable x is normally distributed with mean u= 82 and standard deviation o = 5.…
A:
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A:
Q: If the probability is 0.20 that a certain bank willrefuse a loan application, use the normal…
A: Given that, n =225, p =0.20 The values of mean and standard deviation are,
Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=100and a standard…
A: From the provided information, Mean (µ) = 100 Standard deviation (σ) = 20 Let X be a random variable…
Q: The mean time (in hours) required to repair a machine is 1/2. Find The probability that a repair…
A: a) Here, X denotes the time required to repair a machine. The average time is ½ hours. That is 1/ λ…
Q: Assume the random variable x is normally distributed with mean u = 88 and standard deviation o = 4.…
A: Given X ~ N(μ=88,σ2=16)σ=4
Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…
A: From the provided information, Sample size (n) = 148 22% of them voted that is probability (p) =…
Q: The weight of a 2 cubic yard plastic bag of landscape mulch is uniformly distributed over the…
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Q: Calculate the probability of P (-0.7 <Z <1.00) in the standard normal distribution
A: Our aim is to find the P(-0.7<Z<1.00) Here , use the standard normal probability table
Q: determine the probability density fucntion of Y = X².
A:
Q: C. The time needed to repair the engine of a car is exponentially distributed with a mean time equal…
A: Given : mean time = 3 hours operating time =2.5 hours
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- Assume the random variable x is normally distributed with mean u= 86 and standard deviation o=4. Find the indicated probability. P(75Use a normal approximation to find the probability of the indicated number of voters. In this case, assume that 181 eligible voters aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted. Probability that exactly 43 voted The probability that exactly 43 of 181 eligible voters voted is (Round to four decimal places as needed.)Assume the random variable x is normally distributed with mean p= 89 and standard deviation o = 5. Find the indicated probability. P(75Graph d 16 18 20 22 24 26 28Use a normal approximation to find the probability of the indicated number of voters. In this case, assume that 109 eligible voters aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted. Probability that fewer than 29 voted The probability that fewer than 29 of 109 eligible voters voted is (Round to four decimal places as needed.)Assume the random variable x is normally distributed with mean μ=50 and standard deviation σ=7. Find the indicated probability P(X<36) Round to four decimal places as needed.Assume the random variable x is normally distributed with mean µ = 88 and standard deviation o = 4. Find the indicated probability. P(78A coin with p{h} = p = 1 - q is tossed n times. Show that the probability that the number of heads is even equals 0.5[1 + (q - p)"].Let x be a continuous random variable that is normally distributed with a mean of 27 and a standard deviation of 7. (a) Write a cumulative probability statement for the area under the normal curve to find the probability that x assumes a value between 31.7 and 62.0: (b) Write an equivalent standardized probability statement for (a) above using the results obtained in the previous step:Assume the random variable x is normally distributed with mean u = 83 and standard deviation o = 4. Find the indicated probability. P(70x has continuous random variable is nomally distributed and average 40, standard deviation 10. So what is the probability of P (30Recommended textbooks for youA First Course in Probability (10th Edition)ProbabilityISBN:9780134753119Author:Sheldon RossPublisher:PEARSONA First Course in Probability (10th Edition)ProbabilityISBN:9780134753119Author:Sheldon RossPublisher:PEARSON