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Test the claim that the average SAT score for graduating high school students is equal to 1100. A random sample of 70 students was selected, and the average SAT score was 1035. Assume σ " 310 and use α= 0.10. What is the p-value for this sample?
indicates that the data provides a strong evidence against the null hypothesis. So reject the null hypothesis." - but what is H0 that we are rejecting?
Determine whether the given value is a statistic or a parameter. A researcher determines that 42.7% of all downtown office buildings have ventilation problems. Is this a statistic or a parameter; explain your answer.
suppose that the battery failure time measure in hours has probability density function given by fx 2 x 13 x?0.what
a) How many multiplications are necessary to find the determinants of matrices which are 2x2, 3x3, 4x4? b) The number of multiplications for an nxn matrix may be found in terms of the number for an (n-1)x(n-1) matrix. FIND THIS FORMULA and use it to ..
find a formula for the probability distribution of the random variable x representing the outcome when a single die is
the acceptable level for insect filth in a certain food item is 4 insect fragments per 10 grams. a sample random of 50
Battery manufacturers compete on the basis of the amount of time their products last in cameras and toys. A manufacturer of alkaline batteries has observed that its batteries last for an average of 26 hours when used in a toy racing car. The amo..
Give an example representing a discrete probability distribution and a continuous probability distribution. Explain why your choice is discrete and continuous.
eu european union countries report that 46 of their labor force is female. the united nations wants to determine if the
a random sample of homeowners from dallas and houston was asked to identify the primary source of heat for their homes.
in the library on a university campus there is a sign in the elevator that indicates a limit of 16 persons. furthermore
if a white-collar worker is chosen at random from this group, what is the probability that he or she prefers light beer (to reg. beer or none at all)?
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