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Find out Probability using a normal distribution. If the amount of cosmic radiation to which a person is exposed while flying by jet across the US is a random variable having the normal distribution with µ=5.35 mrem, and σ = 0.59 mrem. Find the probability that the amount of cosmic radiation to which a person will be exposed on such a flight is:
a) Between 3.50 and 6.5 mrem
b) At most 7.5 mrem
Write the null and alternative hypotheses you would use to test the following situation.
State the null and the alternative hypotheses. Using the p-value approach, test to determine whether or not the mean age of all employees is significantly more than 40 years.
Estimate the population mean
A game involving a pair of dice pays out $4 with probability 16/36, costs you $2 with probability 14/36, and costs you $6 with probability 6/36.
Real estate agents always say "location, location, location" is the most important thing in buying a house. We want to know if the sales prices of homes in two neighborhoods are similar. A random sample is taken from each neighborhood. The prices ..
Compute SS, variance, and standard deviation for following population of N = 7.Scores: 8, 1, 4, 3, 5, 3, and 4. The definitional formula works well with these scores. Use the definitional formula to compute SS.
Test hypothesis that both propellants have same mean burning rate. Utilize α=0.05. Compute the P value.
Create a set of n observations from the binomial distribution with 1 trial and the event probability of 0.007, where n is your answer.
A random sample of 36 days yielded the average daily output of 890.2 tons, with standard deviation of 19.8 tons. Use this information to make a 95% confidence interval for mean.
Prepare an ANOVA table and test the null hypothesis of no linear relationship between the two variables.
ABC Corporation has been using statistical process control for several months.
At the 0.05 level of significance, is there evidence of a significant relationship between the age groups and where people primarily get their news? If so explain the relationship.
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