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Can you answer the attached questions. Please provide excel table if possible and detail to help me understand.
Let's assume parents watch TV 60% of the time.
When the parents are watching tv, the kids are watching tv 40% of the time.
When the parents are not watching tv, the kids are watching tv 30% of the time.
If the kids are watching tv, what is the probability that the parents are watching tv
university of maryland university college is concerned that out of state students may be receiving lower grades than
in a certain town 40 of the people work for the federal government. the table shows the probability distribution for
They also send the upper 2.5% directly to the company without an interview. Based on the data the assumption of a bell-shaped distribution, what score should be used for the two cutoffs?
If a random sample is to be drawn from a population consisting of 5000 sampling units with a variance of 20% and a desired standard error of 1.6%. What is the optimal sample size?
two companies market new batteries targeted at owners of personal music players. duratunes claims a mean battery life
Assume the probability of a tire blowout is 0.102% per 50,000 miles of use and that a person travels 13,000 miles per year in a car. Assume that the probability of loss of control is 30% if the blowout occurs on the front tires and 15% for the rea..
A math course has 2 sections. Section one has 55 students of which 10 received an A. Section two has 45 students of which 11 received an A. If a student was chosen randomly from 100 students
for each of the following state the test statistic you would use for a hypothesis testz t f chi squaredx2 or unknown.a
For each of the following hypotheses, decide whether a one-tailed or two-tailed test would be performed: Children with birth defects will score differently than the normal population on a measure of self-esteem.
Assume you want to estimate the population proportion,p, and the estimator for the mean proportion (p-hat)= 0.34, N = 6000, and n = 1300. Find an approximate 95% confidence interval for p.
A person decides to take a telephone survey of 40 families in the 721-exchange area (sometimes referred to as prefix). You want an excellent representation of all subscribers in the exchange area.
Oxytocin were more likely to give their money to a trustee compared to people who inhaled an inactive placebo. For this experimental study, identify the independent variable and the dependent variable.
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