Mathematics, 24.03.2020 16:56 ticklepink05
A geologist examines 14 geological samples for iron concentration. The mean iron concentration for the sample data is 0.181 cc/cubic meter with a standard deviation of 0.0318. Determine the 90% confidence interval for the population mean iron concentration. Assume the population is approximately normal. Step 1 of 2 : Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
Answers: 3
Mathematics, 21.06.2019 19:00
John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11
Answers: 2
Mathematics, 21.06.2019 21:00
Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24
Answers: 2
Mathematics, 21.06.2019 22:30
Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?
Answers: 2
A geologist examines 14 geological samples for iron concentration. The mean iron concentration for t...
Mathematics, 17.09.2021 14:00
Computers and Technology, 17.09.2021 14:00
Arts, 17.09.2021 14:00
Mathematics, 17.09.2021 14:00
Mathematics, 17.09.2021 14:00
Mathematics, 17.09.2021 14:00
English, 17.09.2021 14:00
Arts, 17.09.2021 14:00