Answer:
c
Step-by-step explanation:
Answer:
22 3/4
Step-by-step explanation:
divide 1/4 which is 0.25, then add 3 to that, then multiply it by 7 which is 22.75
then convert it back into a fraction which is 22 3/4
Well there are 12 marbles in total. If you select one green marble, you have 11 marbles in total. There are 4 blue marbles. So you have a 4/11 chance of selecting a blue marble or 36% probability of getting a blue marble.
Answer: 95% confidence interval would be (175.04,194.96).
Step-by-step explanation:
Since we have given that
Mean = 185 mg
Standard deviation = 17.6 mg
At 95% confidence level, z = 1.96
So, Interval would be

Hence, 95% confidence interval would be (175.04,194.96).