In a two-bin inventory system, the demand for three-inchlag bolts during the 2-week lead time is normally distributed,with an average of 53 units per week. The standard deviationof weekly demand is 5 units.a. What is the probability of demand exceeding the reorder pointwhen the normal level in the second bin is set at 130 units?b. What is the probability of demand exceeding the 130 unitsin the second bin if it takes 3 weeks to receive a replenish-ment order?

Q: 16 Sacks of grain packed by an automatic machinc loader have an average wcight of 114 pounds. It is…

A:

Q: A. Write down the formula for the normal distribution curve. B. Suppose the mean is zero and the…

A: It is widely used in statistics . Normal distribution is also known as the Gaussian distribution .

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A: Step 1:Step 2:

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Q: Let μ be the mean annual salary of Major League Baseball players in 2002. Assume that the standard…

A: From the provided information, Standard deviation (σ) = 99000 Sample size (n) = 50

Q: and a standard deviation of 1.3 degrees Celsius.

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Q: A certain brokerage house wants to estimate the mean daily return on a certain stock. A random…

A: Given,sample size(n)=14degrees of freedom(df)=n-1df=14-1=13α=1-0.90=0.1α2=0.05t0.05(13)=1.771…

Q: 2. Suppose the current annual salary of all teachers in the United States have a normal distribution…

A: Given that.   X~N( μ , ?)   μ=81000     , ?=6500   Z-score =( x - μ )/?

Q: Find the probability that a normally distributed random variable will fall within these ranges: 1.…

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Q: The average number of mice in a 5-acre rice field is estimated to be 80. Find the probability that a…

A: Given that  The average number of mice in a 5-acre rice field is estimated to be 80. Find the…

Q: Assume that the life of a roller bearing follows a Weibull distribution with parameters β = 2 and δ…

A:

Q: At the particular courthouse, to increase his or her honor's statistical power, a judge can 1.…

A: Power of the test: Power of the test is defined as the probability of rejecting the null hypothesis…

Q: estaurant in Ohio, the number of minutes that diners spend at the table has a major impact on the…

A: X~N( μ , ?)μ=89 , ?=17Z-score =( x - μ )/?

Q: The lengths of pregnancies of humans are normally distributed with a mean of 268 days and a standard…

A:

Q: The level of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) in the exhaust over the useful…

A: Mean == 80Standard deviation  = 6n = 16s = 6/√16 = 1.5Levels of significance = 1 - 0.05 = 0.95 or…

Q: The average return for large-cap domestic stock funds over three years was 14.4%. Assume the…

A: GivenMean(μ)=14.4%standard deviation(σ)=4.4%

Q: The number of newspapers sold daily at a kiosk is normally distributed with a mean of 350 and a…

A: Solution-: Given: μ=350,σ=50 We want to find, (i) P(more newspapers are sold on Wednesday than on…

Q: ach month, the city of Accra generates an average of 28 pounds of waste. Assume the variable is…

A: To the probability of its generating between 27 and 31 pounds of waste per month and draw a normal…

Q: According to the Canadian Wheat Board, mean western Canadian production of wheat and durum over a…

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Q: A lawyer commutes daily from his home to his office. The average time for a one-way trip is 24…

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Q: from company A and 200 devices from company B. Calculate the probability that the difference between…

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Q: he level of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) in the exhaust over the useful…

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Q: Q.- The length of life of a battery produced by a factory has a normal distribution with a mean of…

A: We have to find probability using z table.

Q: Brenda has collected data to find that the finishing times for cyclists in a race has a normal…

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A: It is given that Mean = 2.2Standard deviation = 1.4

Q: The probability that the Springfield Isotopes will win any given game is 0.3831 based on a 13-ye win…

A:

Q: 4. The delivery time for all food orders at a fast food restaurant have a mean of 6.7 minutes and a…

A: Let X denote the delivery time for food orders then we are given   μx=6.7 & σx=2.1 &…

Q: A normal distribution of scores has a standard deviation of 10. Find the z-scores corresponding to…

A: We have given standard deviation as σ = 10.

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Q: The time intervals between successive barges passing a certain point on a busy waterway have an…

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Q: The number of days between precipitation events during the fall season is modeled by an exponential…

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Q: The time that a customer takes to complete a transaction in the business line at the bank follows a…

A: Given Data Population Mean,μ = 5.4 Population Standard Deviation,σ = 1.7

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.