Mathematics, 27.10.2020 22:50, eli9595
The table shows the soil density of several soil samples at different depth
A. Write the quadratic regression equation that models the data. Let x = depth below the surface and let y = soil density.
B. Use the equation to estimate the soil density of a sample at a depth of 20m. Show your work.
Answers: 2
Mathematics, 21.06.2019 17:10, payshencec21
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?
Answers: 1
Mathematics, 21.06.2019 21:00, cwebb4383
The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant. given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.
Answers: 1
The table shows the soil density of several soil samples at different depth
A. Write the quadratic...
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