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According to date from the College Board, the mean quantitative SAT score for male college-bound high school seniors is 530. Assume that SAT scores are approximately Normally distributed with a population standard deviation of 100. If a male college-bound high school senior is selected at random, what is the probability that he will score higher than 675.
You are playing poker and you are dealt the A, K, Q, J, 10 of spades.
calculate the change in ph when 6.00 ml of 0.100 m hclaq is added to 100.0 ml of a buffer solution that is 0.100 m in
the following is an appropriate statement of the null and alternate hypotheses for a test of a population meanh0 ?
an elevator in a building starts with 6 people and stops at 8 floors. assuming that all permutations of the passengers
Determine if this sample data provides sufficient evidence to indicate that the bulbs have their advertised life expectancy. Do NOT do a confidence interval.
If a researcher decides to use multiple comparisons in a study with three conditions, what is the probability of a Type I error across these comparisons? Use the Bonferroni adjustment to determine the suggested alpha level.
according to a recent survey the average urban person consumes 1.5 kg of food per day. is this figure accurate for
1. define in your words nominal ordinal and interval-ratio levels of measurement. provide 3 examples for each level of
Find the probability that 665 or fewer college students in the sample send and receive text messages with their phones? Is this result unusual?
An insurance company, based on past experience, estimates the mean damage for a natural disaster in its area is $5,000. After introducing several plans to prevent loss
show that s2subp is an unbiased estimator of sigma2 and find its variance under the condition of following theorem. if
A population of disk drives manufactured by a certain company runs with mean seek time of 10 milliseconds with standard deviation of 0.1 milliseconds. What proportion of samples of size 250 would you expect to result in a mean less than 9 millisec..
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