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The velocity v(t) of a particles a function of time is given by v(t) = (2.5 m/s) + (4.2 m/s2)t1+ (6.5 m/s3)t2. What is the average acceleration of the particle between t=1.0s and t=2.0s?
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A process is normally distributed with a mean of 104 rotations per minute and a standard deviation of 8.2 rotations per minute. If a randomly selected minute has 118 rotations per minute, would the process be considered ...
You have a bag with three fair dice. One is 4-sided, one is 6-sided, and one is 12-sided. You reach into the bag, pick one die at random, and roll it. The outcome of the roll is 4. What is the probability that you rolled ...
You paid cash for $1,300 worth of stock a year ago. Today the portfolio is worth $1,888. a. What rate of return did you earn on the investment? b. Now suppose that you bought the same stock but bought it on margin. The ...
Jen and Barry perform a survey of consumers about home meal salad preferences ("fresh" or "fast"). 395 consumers said they prefer to make fresh salad. 426 said they prefer to make salad fast (out of a bag). 331 said they ...
What P-value was found when determining whether there is a difference in the IQ of girls and boys in problem 6? Should you reject the null hypothesis? 1. P-Value = 0.465. Yes, you should reject the null hypothesis which ...
Using Excel, A manufacturer of Celsius thermometers claims the thermometers they produce have an average (mean) reading of 0 degrees Celsius and a standard deviation of 1 degree Celsius for freezing water . If one of the ...
Please help me find out how to calculate stock price. "What is the price of Company A's stock.We know company A pay dividend twice a year. And its beta=1.5 Government bond's Coupon is 8.8 and Yield is 5%(which one you sh ...
Using Chebysheff's theorm, you have concluded that at least 77.66% of the 3,075 runners took between 60.5 and 87.5 minutes to complete the 10km race. What was the standard deviation of these 3,075 runners?
Taylor found that 8% of the recipients of loans from a particular mortgage lending institute default within the first 3 years. If he takes a random sample of 4 customers, who received loans 3 years ago, what is the proba ...
Two fair dice are rolled and the sum of the points is noted. Find the probability that the sum is 6 given that at least one of the numbers is less than 3.
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