On a certain island, there are goats are kangaroos. You visit the island for the first time and find 150 goats and 260 kangaroo on the island. Ten year later, your return and find 280 goats and 300 kangaroos. Suppose the number of goals is a linear function of t, the number of years since your first visit.

Also, suppose the number of kangaroos is a linear function of t.

When will the number of goats be twice the number of kangaroos? Give your answer in years since your first visit.

the first one

step-by-step explanation:

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d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;

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step-by-step explanation: