Compute mean and standard deviation-discrete distribution
A 911 service center recorded the number of calls received each hour. The number of calls per hour for 1 week can be approximated by following probability distribution.
x
0
1
2
3
4
5
6
7
P(x)
0.01
0.10
0.26
0.33
0.18
0.06
0.03
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Determine resistance of an oven and the current drawn by the oven, and finding the time necessary to heat 400 mL of water.
The golden rule of profit maximization states which any company maximizes profit by producing where marginal revenue equals marginal cost
The golden rule of profit maximization states which any company maximizes profit by producing where marginal revenue equals marginal cost.
Conclude the speed of the car in the second curve of radius.
A 175 kg ball on the end of a string is revolving uniformly in a horizontal circle of radius 0.500m. The ball makes 2 revolutions in a second.
Present entries to record following: Bought 100 shares of treasury stock at $35.
The returns on the market, the returns on United Fund (UF), the risk-free rate, and the required return on the United Fund are shown below.
Employ the frequency distribution to make a probability distribution, find out the (b) mean,(c) variance and (d) standard deviation of probability distribution and (e) interpret the results in context of real life situation.
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