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Please explain how you reach each answer. I have done some work but feel like I am completely wrong. For part 1, #3, I multiplied 35(.40)= 14, 35-14= 21. Therefore, there are 21 households that have children but no pets. This should give you an idea of how much help I need. Thank you.
Question: In a town, 45% of all households have a pet and 35% have children. 40% of all households with children have a pet. A household is chosen at random. Find the probability of that household
Question: In a research project about pet behavior a random sample of 500 cats was chosen. 52% of the cats liked to sleep inside the house. Fish was the favorite dish of 25% of those cats, while 62.5% of the cats sleeping outside had another favorite dish.
Question: In a middle school with 200 students there are 40% girls. 20% of the students wear glasses. It is also known that 10% of the boys wear glasses.
1. Explain why excise taxes are more effective at raising tax revenues when applied to products with price inelastic demand versus ones with price elastic demand. Under what conditions would it be possible for tax revenues to decline with highe..
Suppose that a segment of DNA of length 1,000,000 is to be shotgun sequenced with fragments of length 1000.
a time standard was set as 0.20 hour per unit based on the 80th unit produced. if the task has a 80 percent learning
Compute the relative risk of meeting their goals for the experimental and the control groups.- Compute the odds ratio of meeting their goals for the two groups and give 95% confidence intervals.
What is the probability that no more than two of the three are commercial successes?
In a certain population of adults there are twice as many men as women. What is the proportion of men in the population:
Write the equation of the regression line.- Explain what the y-intercept of the regression line indicates.- Interpret the slope of the regression line.
you notice in your introductory psychology class that more women tend to sit up front and more men sit in the back.
in a certain class of students there are 13 boys from wilmette 3 girls from kenilworth 11 girls from wilmette 6 boys
the median of a continuous random variable having distribution function fx is that value m such that fm 0.5. that is a
A's value is 100. b's value is 70. and the merger of B by A creates a present value cost saving of 20. assume A pays 75 for B. What is the merger Gain?
11% of all books sold are romance genre. If the bookstore sells 316 books on a given day, what is the probability that fewer than 40 are romances, at least 25 are romances, between 25 and 40 are romances?
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