Confidence interval for variance of weights of containers
Find the 95% confidence interval for the variance of the weights of containers of motor oil if a sample of 14 containers has a variance of 3.2. Assume the variable is normally distributed.
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A parallel-plate capacitor is formed from two circular 12.5-cm-diameter plates spaced 1.0 mm apart. The electric field strength between the two plates is 3000000 N/C. What is the charge (in nC) on the positive plate?
Find the 90% confidence interval for the standard deviation for the time it takes an inspector to check a bus for safety if a sample of 27 buses has a standard deviation of 6.8 minutes. Assume the variable is normally distributed.
For Binomial distribution with n = 10 and probability of success p = 0.4 find probability of less than 3 successes (x < 3) (3 is not included).
Your friend who works for the college radio station must make electric-field measurements for a report to be filed with the station's application for license renewal.
A point charge q1 = 3.85nC is located on the x-axis at x = 2.00m , and a second point charge q2 = -5.55nC is on the y-axis at y = 1.10m . A) What is the total electric flux due to these two point charges through a spherical surface centered at the
A local lawn service has determined the average time it takes to mow an average residential yard is thirty-five minutes. If mowing times are independent and constant, what is the probability it will take no more than forty-five minutes to mow a gi
When striking, the pike, a predatory fish, can accelerate from rest to a speed of 3.5 m/s in 0.15 s. What is the acceleration of the pike during this strike? How far does the pike move during this strike?
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