dedica66em
2021-12-17
Answered

A rigid tank contains air at a pressure of 90 psia and a temperature of ${60}^{\circ}F$ . By how much will the pressure increase as the temperature is increased to $110}^{\circ}{F}^{2$

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asked 2021-08-17

Jones figures that the total number of thousands of miles that a used auto can be driven before it would need to be junked is an exponential random variable with parameter

Smith has a used car that he claims has been driven only 10,000 miles.

If Jones purchases the car, what is the probability that she would get at least 20,000 additional miles out of it?

Repeat under the assumption that the lifetime mileage of the car is not exponentially distributed but rather is (in thousands of miles) uniformly distributed over (0, 40).

asked 2020-10-28

A stone hangs by a fine thread from the ceiling,and a section of the same thread dangles from the bottom of the stone.If a person gives a sharp pull on the dangling thread,where is the thread likely to break:below the stone or above it?

asked 2021-04-06

Assign a binary code in some orderly manner to the 52 playingcards. Use the minimum number of bits.

asked 2021-01-05

A 0.48 kg piece of wood floats in water but is found to sinkin alcohol (specific gravity= 0.79) in which it has an apparentmass 0.035 kg. What is the SG of the wood?

asked 2020-12-03

Q: suppose the kick in example 3-5 is attempted 36m from thegoal post, whose crossbar is 3.00m above the ground. If thefootball is directed correctly between the goalposts, will it passover the bar and be a field goal? Show why or why not.

I would like to see the step-by-step solution to this questionplease. (ASAP)

I would like to see the step-by-step solution to this questionplease. (ASAP)

asked 2022-05-25

According to one survey in India, 75% of Instagram users love REELS. Suppose that 25

Instagram users (randomly selected) have been approached in the university located in vile

parle. They have been asked about their status of like/ dislike the Instagram- REELS.

a) What is the probability that Exactly 15 of them would agree with the claim (or said they

love Insta-REELS)?

b) What is the probability that Exactly 20 of them would agree with the claim (or said they

love Insta-REELS)?

**3.b. **‘Bhartdarshan’ is an Internet-based travel agency wherein customers can see videos of the cities they plan to visit. The number of hits daily is a normally distributed random variable with a mean of 10,000 and a standard deviation of 2,400.

a. What is the probability of getting more than 12,000 hits?

b. What is the probability of getting fewer than 9,000 hits?

**(5 Marks)**

asked 2021-05-18

1. S1 and S2, shown above, are thin parallel slits in an opaqueplate. A plane wave of wavelength λ is incident from the leftmoving in a direction perpendicular to the plate. On a screenfar from the slits there are maximums and minimums in intensity atvarious angles measured from the center line. As the angle isincreased from zero, the first minimum occurs at 3 degrees. Thenext minimum occurs at an angle of-

A. 4.5 degrees

B. 6 degrees

C. 7.5 degrees

D. 9 degrees

E. 12 degrees