Homework Answers
Add Answer to:
subj probability
Q2) A data center has 10,000 disk drives. Suppose that a disk drive fails...
Suppose that a disk drive has 10,000 cylinders, numbered 0 to 10,000. The drive is currently...
Suppose that a disk drive has 10,000 cylinders, numbered 0 to 10,000. The drive is currently serving a request at cylinder 7,423 and the previous request was at cylinder 8213. The queue of pending requests, in FIFO order, is: 9324, 6324, 7232, 1304, 5621, 105, 5382, 3241, 2425, 9891. Starting from the current head position, what is the total distance (in cylinders) that the disk arm moves to satisfy all the pending requests for each of the following disk-scheduling algorithms?...
The accompanying data shows the results of external disk drives. The regression line is given below....
The accompanying data shows the results of external disk drives.
The regression line is given below. The data omitted a 250GB drive
that sold for $303.00 Complete parts a and b
a) find the regression line predicting price from capacity with
this hard drive added
price (hat)= ______ + _____ capacity
b)The residual of the new point is ____
Capacity (in GB) 75 110 243 294 1030 2020 4200 Full data set Price (in $) 28.15 32.20 48.45 64.35 101.97...
Suppose that a disk drive has 6,000 cylinders, numbered 0 to 5999. The drive is currently...
Suppose that a disk drive has 6,000 cylinders, numbered 0 to 5999. The drive is currently serving a request at cylinder 2150, and the previous request was at cylinder 1105. The queue of pending requests, in FIFO order, is: 2629, 3722, 2805, 3192,773, 1939, 1296, 1918, 5730, 2152, 1356 Starting from the current head position, what is the total distance (in cylinders) that the disk arm moves to satisfy all the pending requests for each of the following disk-scheduling algorithms?...
5. A certain model of laptop computer has hardware failures of three different types: hard drive...
5. A certain model of laptop computer has hardware failures of three different types: hard drive failure, battery failure, and other hardware failure. It was found that: 54% 43% 30% 18% 10% 1% of failures did not involve the battery at all of failures did not involve the hard drive at all of failures were of only the battery of failures involved a failure of hardware other than a battery or hard drive of failures involved neither the battery nor...
A survey of prices for external disk drives found the accompanying data, where 1 TBequals 1000...
A survey of prices for external disk drives found the accompanying data, where 1 TBequals 1000 gigabytes. Some research on the prices discovered that the 210 GB hard drive was a special "hardened" drive designed to resist physical shocks. Because it is completely different from the other drives, it was removed from the data. The correlation is now 0.995 and other summary statistics are shown in the accompanying popup window. Complete parts a and b. Capacity (in TB) Price (in...
Suppose the probability of a major earthquake on a given day is 1 out of 10,000....
Suppose the probability of a major earthquake on a given day is 1 out of 10,000. Solve Using R Commands Only a) what is the expected number of major earthquakes in the next 1000 days b) Use the Poisson model to approximate the probability that there will be at least one major earthquake in the next 1000 days
Consuelo Chua, Inc., is a disk drive manufacturer in need of an aggregate plan for July...
Consuelo Chua, Inc., is a disk drive manufacturer in need of an aggregate plan for July through December. The company has gathered the following data given in the tables. There are 8 hours of production per day. You manage a consulting firm down the street from Consuelo Chua, Inc., and to get your foot in the door, you have told Mr. Chua that you can do a better job at aggregate planning than his current staff. He said, "Fine. You...
Consuelo Chua, Inc., is a disk drive manufacturer in need of an aggregate plan for July...
Consuelo Chua, Inc., is a disk drive manufacturer in need of an aggregate plan for July through December. The company has gathered the following data given in the tables. There are 8 hours of production per day. You manage a consulting firm down the street from Consuelo Chua, Inc., and to get your foot in the door, you have told Mr. Chua that you can do a better job at aggregate planning than his current staff. He said, "Fine. You...
Suppose the daily customer volume at a call center has a normal distribution with mean 4,900...
Suppose the daily customer volume at a call center has a normal distribution with mean 4,900 and standard deviation 700. What is the probability that the call center will get fewer than 4,400 calls in a day? Please specify your answer in decimal terms and round your answer to the nearest hundredth
Suppose a disk drive in your system has a rotation speed of 7,200 rpm. and seek...
Suppose a disk drive in your system has a rotation speed of 7,200 rpm. and seek times of 0.75 ms track-to-track, or 22 ms full ‘stroke’ (inner edge to outer edge). (a) What is the average latency to access this drive? (b) If the sustained read rate is 36 Mbits/sec, how much more time after the average latency (you calculated above) will it take to read 750 Kbytes (assuming all those bytes are in sequential sectors on the same track)?...
The accompanying data shows the results of external disk drives.
The regression line is given below. The data omitted a 250GB drive
that sold for $303.00 Complete parts a and b
a) find the regression line predicting price from capacity with
this hard drive added
price (hat)= ______ + _____ capacity
b)The residual of the new point is ____
Capacity (in GB) 75 110 243 294 1030 2020 4200 Full data set Price (in $) 28.15 32.20 48.45 64.35 101.97...
5. A certain model of laptop computer has hardware failures of three different types: hard drive failure, battery failure, and other hardware failure. It was found that: 54% 43% 30% 18% 10% 1% of failures did not involve the battery at all of failures did not involve the hard drive at all of failures were of only the battery of failures involved a failure of hardware other than a battery or hard drive of failures involved neither the battery nor...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago