For women aged 18-24, systolic blood pressures are normally distributed with a mean of 114.8 mm
Hg and a standard deviation of 13.1 mm Hg. If 23 women aged 18-24 are randomly selected, find
the probability that their mean systolic blood pressure is between 119 and 122 mm Hg

f

step-by-step explanation:

f

just needed some points but try socratic

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.