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Q1. The function g: [-a,a] --> R, g(x) = sin(2(x-pi/6)) has an inverse function. The maximum possible value is a is:_____.
Q2. Harry is a soccer player who practices penalty kicks many times each day. Each time Harry takes a penalty kick, the probability that he scores a goal is 0.7, independent of any other penalty kick. One day Harry took 20 penalty kicks. Given that he scored at least 12 goals, the probabilty that Harry scored exactly 15 goals is closest to ____.
Q3. For events A and B, Pr(A intersection B) = p, Pr(A' intersection B) = P - 1/8 and Pr(A intersection B') = 3p/5. If A and B are independent, then the value of p is ___.
suppose the counselor found the sum of squared deviations from the mean of the sample to be 135. given that he tested
A mean of 400 labour hours and a standard deviation of 100 labour hours. What is the probability that the bridge gets constructed between 350 and 450 hours?
a quality control test has five equally likely outcomes - a b c d and e.a what is the probability of c occurring?b what
At.05 level of significance, is there evidence to propose that mean life length of batteries produced by this manufacturer is more than 400 hours?
Inmates who are in the state facility and 9 who have legal satisfaction scores of 5 or more. How do determine the probability for this because I have come up weird numbers.
find the probability using the binomial distribution of obtaining 2 or more nonconforming units when sampling 5
a time for the 100-meter spring of 15.1 seconds at a school where the mean time for the 100-meter sprint is 17.6
Suppose you decided to switch from a 99 to a 95 percent confidence interval. Without performing any calculations, will the interval increase, decrease, or stay the same? Which f the values in the formula will change?
A purchasing agent for a national chain of seafood restaurants wants to estimate the mean weight of shrimp in a large catch. How many shrimp should be sampled from the catch to be 95% confident that the sample mean will be off from the actual mean we..
How many ounces should they advertise on the box if they want to be sure that no more than 0.5% of the boxes are filled less than that advertised amount?
The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals:
On average 2.4 customers per minute arrive at an airline check-in desk during the peak period. Assume that the distribution of arrivals is Poisson. Then T the time between 2 arrivals will be exponential. What is the probability that a customer will..
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