Mathematics, 20.03.2020 23:00 rodrickahammonds
The lengths, in inches, of adult corn snakes are normally distributed with a population standard deviation of 8 inches and an unknown population mean. A random sample of 25 snakes is taken and results in a sample mean of 58 inches.
What is the correct interpretation of the confidence interval?
Select the correct answer below:
1. We can estimate with 99% confidence that the true population mean length of adult corn snakes is between 53.88 and 62.12 inches.
2. We can estimate with 99% confidence that the sample mean length of adult corn snakes is between 53.88 and 62.12 inches.
3. We can estimate that 99% of adult corn snakes will have a length that is between 53.88 and 62.12 inches.
Answers: 3
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Mathematics, 21.06.2019 22:30
Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%
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Mathematics, 21.06.2019 23:30
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The lengths, in inches, of adult corn snakes are normally distributed with a population standard dev...
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