Point estimate and an interval estimate
The maximum error of estimate is a function of three factors: the level of confidence, sample size and standard deviation. T-F, and why or why not?
Explain the difference between a point estimate and an interval estimate
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In terms of I0 at the peak of the central maximum, what is the intensity of the light at the screen at the distance from the center of the central maximum? Express your answer in terms of I0.
What will be the most probable crystal structure for this alloy? Determine the mass in grams of the atoms inside a unit cell of this alloy, Determine the lattice constant for this alloy.
In Study Hall 3 of the 16 girls have red hair and 2 of the 15 boys have red hair. What is the probability of selecting a boy or a red haired person to run an errand for the teacher.
The block has a constant acceleration and is pulled by means of a horizontal spring that is attached to the block. The spring constant of the spring is 405 N/m. By how much does the spring stretch?
The maximum error of estimate is a function of three factors: the level of confidence, sample size and standard deviation. T-F, and why or why not? Explain the difference between a point estimate and an interval estimate
The veolicty stays constant for 1km, the first 500 m are flat and the rest of the way is inclined by 5 degrees. Determine the work required to get to the gas station at the end of the 1km.
The block is then pulled at a constant speed of 7.15 m/s, during which time the spring is stretched by only 0.0784 m. Find (a) the spring constant of the spring and (b) the coefficient of kinetic friction between the block and the table.
An air conditioning unit with refirigerant-134a as the working fluid is used to keep a room at 26 degrees celcius by rejecting the waste heat to the outdoor air at 34 degrees celcius.
What is the percent change in viscosity per degree celsius for a VG-32 mineral turbine oil at 10C? At 120C? What are the comparable values for an 85W-140 gear oil?
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