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Rolling the dice : An exeriment was conducted in which two fair dice was thrown 100 times. The sum of the pips showing on the dice was than recorded. the following frequency histogram gives the results.
a) What was the frequency outcome of the experiment?
B) What was the least frequency?
C) How many times did we observe a 7?
E) Determine the % of time 7 was observed.
F) Describe the shape of the distribution.
Arrivals to a bank automated teller machine (ATM) are distributed according to a Poisson distribution with a mean equal to three per 15 minutes.
Suppose we want to test the hypothesis. State hypothesis Ho and the alternative hypothesis H1 that we would use for this test.
If the null hypothesis is rejected, can you state that the mean score of those with a rural background is different from the score of those with a large-city background?
As a part of their testing program Sony tests samples of 25 batteries. What can you say about the shape of the distribution of sample mean?
1.at what age do babies learn to crawl? does it take longer to learn in the winter when babies are often bundled in
a gambler has a fair coin with one head and one tail and a two-headed coin. he selects one of the coins at random and
Organize the test data into a frequency table. Use classes of width 10, starting with 40.Include columns for both the frequency and the relative frequency. Use the frequency distribution in part (1) to create a frequency histogram of the data.Reme..
Card holders should be sampled to meet the original requirements of the sample. Then explain the trade-offs that will occur when you lower the sample to $10,000 to meet their budget.
one environmental group did a study of recycling habits in a california community. it found that 72 of the aluminum
question the macburger restaurant chain claims that the waiting time of customers for service is normally distributed
Gives the exact chance the total time is more than 16 minutes. 5) 6.14 Comment on the shape, what distribution is a reasonable t? 6) 6.30 Comment on the shape, same as the stef and leaf?
Assuming that these results are sample data randomly selected from the population of all past and future Olympic games
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