13-SECond period?d. What is the probability of at least one arrival in a 15-second period?4.14 Suppose flaws (cracks, chips, specks, etc.) occur on the surface of glass with a density of four persquare meter. What is the probability of there being exactly five flaws on a sheet of glass of area2 square meters?4.15 On an average day in 2010, there were 21 traffic crashes that occurred on Minnesota roadways. Whatis the probability that there were exactly 20 traffic crashes on Minnesota roadways in any given dayof 2010?4.16 A shipment of 10 items has two defective and eight non-defective units. In the inspection of theshipment, a sample of units will be selected and tested. If a defective unit is found, the shipment of10 units will be rejected.a. If a sample of three items is selected, what is the probability that the shipment will be rejected?b. If a sample of four items is selected, what is the probability that the shipment will be rejected?c. If a sample of five items is selected, what is the probability that the shipment will be rejected?d. If management would like a 0.90 probability of rejecting a shipment with two defective and eightnon-defective units, how large a sample would you recommend?

Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION

Answered: 4.14 Suppose flaws (cracks, chips,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Three cylindrical parts are joined end to end to make up a shaft in a machine; 2 type A parts and 1 type B. The lengths of the parts vary a little, and have the distributions: A~ N (6, .4) and B~ N (35.2, .6). The overall length of the assembled shaft must lie between 46.8 and 47.5 or else the shaft has to be scrapped. Assume the lengths of different parts are independent. What percent of assembled shafts have to be scrapped?
Suppose the length of copper wiring average 1 defect every 400 ft what is the probability that a 400 footy stretch will have 2 defects A) 0.1353 B) 0.1839 C) 0.2707 D) 0.3679 E) 0.2231
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10. What is the probability of observing less than 3 heads in 4 tosses of a fair coin? A. 0.3125 B. 0.9375 C. 0.2500 D. 0.6875
A) The power dissipated in a resistor, W, is proportional to the square of the voltage V. That is, W=rV2 with r being a constant. If r=3 and V (with a very good approximation) is assumed to be a normal random variable with a mean of 6 and a standard deviation of 1, then a) E[W] b) (W>120) find the values. B) Suppose there are 20 different types of coupons and which one of the types is drawn with equal chance each time. Calculate the expected number of distinct species contained in a set of 10 coupons.
1. (See Handout 1, Example 1). The life expectancy of a particular brand of lightbulb is normally distributed with a mean of 1500 hours and a standard deviation of 75 hours. We want to calculate the probability that a lightbulb will last more than 1440 hours. a) Calculate the critical z-score. b) Label the axis and shade the area under the curve that we are interested in. Hours z-score c) What is the probability that a lightbulb will last more than 1440 hours? d) What is the probability that a lightbulb will last less than 1440 hours?
From the urn of Problem 1, ten balls are selected with replacement. Color Red Blue Green BrownNumber 4 3 2 1◼ 3.1. Estimate the probability that four or less red balls are selected.◼ 3.2. Estimate the probability that more than four blue balls are selected.
Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that a random sample of 46 male firefighters are tested and that they have a plasma volume sample mean of x = 37.5 ml/kg (milliliters plasma per kilogram body weight). Assume that ? = 7.50 ml/kg for the distribution of blood plasma. d)Find the sample size necessary for a 99% confidence level with maximal margin of error E = 2.60 for the mean plasma volume in male firefighters. (Round up to the nearest whole number.) =__ male firefighters What price do farmers get for their watermelon crops? In the third week of July, a random sample of 45 farming regions gave a sample mean of x = $6.88 per 100 pounds of watermelon. Assume that ? is known to be $2.00 per 100 pounds. (a) Find a 90% confidence interval for the population mean price (per 100 pounds) that…
1. Find the value of Z such that the proportion of the area a) Between the mean and the Z-score is 3.01 To the right of the Z-score is 0,251 c) Between Z--0.53 and Z=1.59 dents
X - N(H = 30 and =100) if there is a normal distribution a) What is the probability that x is between 30 and 50? b) What is the probability that x is found between 20 and 40? c) What is the probability that x is found between 35 and 45? d) What is the probability that x is less than 25? e) What is the probability that x is greater than 20?
Select all statements that are true for density curves. A) The total area under the curve is 1. B) The curve satisfies the 68-95-99.7% rule. C) The curve is on or above the horizontal axis. D) The proportion of data values between two numbers a and b is the area under the curve between a and b. E) The curve is symmetric and single-peaked.

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4.14 Suppose flaws (cracks, chips, specks, etc.) occur on the surface of glass with a density of four per square meter. What is the probability of there being exactly five flaws on a sheet of glass of area 2 square meters?