Reshma reaches her college in 1 hour 15 minutes from home by driving her car at 50 km/h. How far is her college from home?​

62.5 km

Step-by-step explanation:

50÷4 =12.5

15 is 1/4 of 60

so then you add 50 + 12.5= 62.5

add an image

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;