O echipa de 12 muncitori poate efectua o lucrare în 36 de zile .în situația în care echipa ar avea doar 6
muncitori lucrarea ar fi efectuată în :
a 18zile
b. 36 zile
e 72 zile
d. 24 zile
va rog este urgentă ​

345

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;

2x + 8

step-by-step explanation:

1. 37

2. 22

3. 44

4. 66

step-by-step explanation: