Which expression is not equivalent to 15.-2?
drag this expression to the box.
cea
15. (+3+3)
15. (-2+)
15. (-2+ )
15. –3 +15.
15.–2 + 15.
15. -2 - 15 - 2

H,m

Step-by-step explanation:

Let me think ill answer

a = 3.14

b = 18

c = 18/5 or 3.6 or 3 3/5

step-by-step explanation:

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;