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The lengths of Atlantic croaker fish are normally distributed, with a mean of 10 inches and a standard deviation of 2 inches. Let x be a random variable that represents the length of an Atlantic croaker fish. Suppose an Atlantic croaker fish is randomly selected. Find the probability that length of the fish is between 8.5 inches and 10.5 inches.
Suppose you have a distribution, X, with mean = 22 and standard deviation = 5. Define a new random variable Y = 8X - 3. Find the mean and standard deviation of Y.
Luxury hotels are renowned for their concierge services that cater discreetly to every guest. One such hotel, the SLS Hotel in Beverly Hills, California, is part of the Luxury Collection Hotel brand owned by SBE Entertainment Group LLC. Debuting i..
The hypotheses for this scenario are as follows: Null Hypothesis: μ ≤ 21.61, Alternative Hypothesis: μ > 21.61. You perform a one sample mean hypothesis test on a random sample of data and observe a p-value of 0.0095. What is the appropriate concl..
Do the two stem and leaf plots look similar? Do you think this could be a viable method for telling whether different articles were written by different authors?
Now let Yn be the maximum value when n dice are rolled. Find the distribution of Yn. Is this distribution bell-shaped for large values of n
Suppose two-tailed test, state hypotheses (Ho and H1 ) for two-tailed test. Using symbols, define hypotheses (Ho and H1) for two-tailed test.
Jones Nissan in Sumter, South Carolina, sold 15 Nissans yesterday. What is the probability that exactly 0 vehicles require warranty service?
A standard deviation of five minuts. Assuming the call times are normally distributed, what percentage of calls are longer than 35 minutes.
the world health organizations w.h.o. recommended daily minimum of calories is 2600 per individual. the average number
Comparing Data Sets Using the systolic blood pressure levels and the elbow breadths of women, as listed in Data Set 1, analyze each of the two data sets and determine whether each appears to come from a normally distributed population
Assume that the smiling time of eight-week old babies, in seconds, follows a uniform distribution between 0 and 23 seconds, inclusive. This means that any smiling time from 0 to and including 23 seconds is equally likely.
a journal article reports that a sample of size 5 was used as a basis for calculating a 95 ci for the true average
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