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For a normal distribution, which distribution is used to test the claim that a population has a standard deviation equal to 0.75, given a sample of 25 values with a sample mean of 98.2 and a sample standard deviation of 0.62?
normal
t - distribution
Chi-squared
binomial
uniform
A coin is flipped 14 times. Use the normal approximation to the binomial distribution to calculate the probability of a total of 4,5, or 6 heads. Compare this to the binomial probability.
black hair in the guinea pig is dominant to white hair in families of 5 offsprings where both parents are heterozygous
The article can be on Descriptive Statistics, Probability and the Normal Distribution, Sampling and Sampling Distributions, Regression Analysis, or Time Series Forecasting.
question consider the following set of sample data78 121 143 88 110 107 62 122 130 95 78 139 89
confidence interval estimate for the population mean is given to be 35.81 44.40. if the standard deviation is 10.126
use graphical sensitivity analysis to determine at what probability you are indifferent to d1 and d2?state of
Create a 90% confidence interval for proportion of all kernels that would not pop.
Trying to use mathematical models to design effective hypothesis testing during experiments. In hypothesis analysis the null hypothesis and significance level of the test must be set prior to data collection.
What is the average monthly amount charge? What percent of monthly charges are between $600 and $ $889 What percent of monthly charges is less than $100.
A contractor is considering a sale that promises a profit of $31,000 with a probability of 0.7 or a loss (due to bad weather, strikes, and such) of $13,000 with a probability of 0.3. What is the expected profit?
Labor negotiations estimate that 30 percent of all major contract negotiations result in a strike. During the next year, 12 major contracts must be negotiated. Determine the following probabilities.
groupmeanstdevpopulation nmen51411280382women48510392420the cutoff for mathematics scores is 550. how many texas men
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