Mathematics, 28.03.2020 20:54, isamar4348
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12 years, and standard deviation of 1.4 years. If 14 items are picked at random, 2% of the time their mean life will be less than how many years?
Answers: 1
Mathematics, 21.06.2019 14:50, sherry59Sherry59
What is the vertex form of f(x) = x2 + 6x + 3
Answers: 2
Mathematics, 21.06.2019 22:00, hannahpalmario
The customer price index(cpi), which measures the cost of a typical package of customer goods, was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely. use data points to find such a line and then estimate the requested quantities
Answers: 1
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12 years,...
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