Proportion of heads
A coin was flipped 60 times and came up heads 36 times. What is the test statistic you would use to test whether the proportion of heads is greater than 0.50 at a 10% level of significance?
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Let p represent the proportion of all pike and trout that die (i.e., p is the mortality rate) when caught and released using barbless hooks. Find a point estimate for p.
The record low sea-level barometric pressure ever recorded is 25.8 in. of mercury. At what altitude in the standard atmosphere is the pressure equal to this value?
A 5 MW gas turbine power plant is reported to have a thermodynamic efficiency of 35%. Assume products of reaction exit at 750 K with water in the gaseous phase.
A student randomly guesses at 20 multiple choice questions. Each question has four possible answers with only one being correct, and each is independent of every other question.
A partially filled closed tank contains ethyl alcohol at 68 degrees F. If the air above the alcohol is evacuated, what is the minimum absolute pressure that develops in the evacuated space?
Suppose you have a coin that lands on "heads" with probability p, 0 < p < 1. You don't know the value of p however. So you decide to run an experiment to get an estimate of p using the maximum likelihood approach.
The average ACT score in Minnesota in 1986 was 19.4. Assuming a standard deviation of 2.0, find (approximate) the probability that the mean of a random sample of 25 scores from Minnesota exceeds 20.0.
Find the P value for the given test statistics
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