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Suppose that you were trying to determine if the population proportion of Americans that currently believe that nuclear power is extremely/very dangerous to the environment was less than 50%. You decide to test the null hypothesis Ho: p = 0.50 versus Ha: p < 0.50. In 2010, the General Social Survey included a question that asked its participants if they felt that nuclear power plants were extremely/very dangerous to the environment. Out of the 1340 surveyed, 634 said yes. What is the value of the test statistic for this problem?
the temperature profile at a location in water flowing over a flat surface is -800y experimentally measure to be tdegc
data on the number of occurrences per time period and observed frequencies follow.nbspnbspcompute the value of the test
a market researcher for an automobile company suspects differences in preferred color between male and female buyers.
what is the magnitude of the electrostatic force between a singly charged sodium ion na of charge e and an adjacent
apply the first law of thermodynamica eq 1 to a finite volume element in a stationary solid. let rt be the temperature
given the following information alternative hypothesis p lt 0.70 n 300 x 205 alpha 0.02. state your decision and
a pipe in a manufacturing plant is transporting superheated vapor at a mass flow rate of 0.3 kgs. the pipe is 10 m long
in a recent study of vietnam veterans researchers found that in a sample of 2101 veterans 777 had been divorced at
a car traveling 90 kmh strikes a tree. the front end of the car compresses and the driver comes to rest after traveling
a researcher performs a hypothesis test at the 0.05 level of significance. the null hypothesis is p 0.85and the
How many seats sould be in the non-smoking area in order to be very sure (mean+3StandardDeviation) of having enough seating there?
If Stocks 1 and 2 have expected returns of 9 percent and 10 percent per year, respectively, then what is the minimum expected annual return for Stock 3 that will enable Glenda to achieve her investment requirement?
1.sodas in a can are supposed to contain an average of 12 ounces. this particular brand has a standard deviation of 0.1
the length of human pregnancies from conception to birth approximates a normal distribution with a mean of 266 days and
At the .10 significance level, can we conclude that there is a difference in the amounts quoted?
13% red, 14% yellow, 16% green, 20% orange, and 24% blue. In a random sample of 12 M & M's what is the probability of having 2 of each color?
describe the differences between discrete and continuous normal probability distributions. what are some
Construct a 98% confidence interval for the average life expectancy of countries around the world. The data appear to be normally distributed.
if a sound is 100 times louder than a whisper how loud is that sound in
Factor the polynomial completely. Factor each completely given that the binomial following it is a factor of the polynomial.
According to studies, 1% of all patients who undergo laser surgery to correct their vision have serious post laser vision problems. In a sample of 95,000 patients, what is the approximate probability that fewer than 960 will experience serious..
A researcher would like to determine whether an over-the-counter cold medication has an effect on mental alertness. A sample of n = 16 participants is obtained and each person
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