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Question: 1. Testing a statistical hypothesis. A Cornell professor got a ticket twelve times for illegal overnight parking. All twelve tickets were given either Tuesdays or Thursdays. Find the probability of this event. (Was his renting a garage only for Tuesdays and Thursdays justified?)
2. Continuation. Of twelve police tickets none was given on Sunday. Is this evidence that no tickets are given on Sundays?
given the returns and probabilities for the three possible states listed here calculate the covariance between the
If a single card is drawn from an ordinary deck of cards, what is the probability of drawing either a heart or a 6? (Answer in a fraction).
Two distinct even numbers are selected at random from the first ten even numbers greater than zero. What is the probability that the sum is exactly 30?
pick a card from a regular 52-card deck and record the suit then toss a coin and record heads or tails. let a be the
For each of the following situations, state the independent variable and the dependent variable.
The gas price index for 1985 was 218.5 and the gas price index for 2000 was 276.8. If it cost $18.13 to fill your gas tank in 1985, how much would it have cost to fill the same tank in 2000?
people gain weight when they take in more energy from food than they expend. a mayo clinic study investigated the link
Explain how Conditions 1 to 3 for the approximate normality of the sampling distribution for a sample proportion are met in this scenario. State any assumptions that you need to make to do so.
Define a random variable to be X = number selected - nearest integer . - What is the domain of this random variable?
We are planning an experiment on the quality of video tape and have purchased 24 tapes, four tapes from each of six types. The six types of tape were 1) brand A high cost, 2) brand A low cost, 3) brand B high cost, 4) brand B low cost, 5) brand C ..
The purpose is to see if longevity within the firm has an influence over the number of shares of stock that are held; ANOVA is to be used in analyzing the data. Identify the independent and dependent variables and explain whether this is a designe..
Plot the data with SAT on the x axis and ACT on the y axis. Describe the overall pattern and any unusual observations.- Find the least-squares regression line and draw it on your plot. Give the results of the significance test for the slope.
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