Mathematics, 08.11.2019 02:31 erick7123
The average production of peanuts in virginia is 3000 pounds per acre. a new plant food has been developed and is tested on 60 individual plots of land. the mean yield with the new plant food is 3120 pounds of peanuts per acre, and the population standard deviation is 578 pounds. at α=0.05, can you conclude that the average production has increased?
Answers: 2
Mathematics, 21.06.2019 15:00
(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )
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Mathematics, 21.06.2019 19:30
Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have
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Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
Mathematics, 22.06.2019 04:40
Rena used the steps below to evaluate the expression , when . step 1: substitute into the expression. step 2: simplify the parentheses. step 3: evaluate the power to a power. step 4: use reciprocals and find the value. in which step did rena make the first error?
Answers: 2
The average production of peanuts in virginia is 3000 pounds per acre. a new plant food has been dev...
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