The answer is -10 after replacing x with 3 u get that answer
Answer:
Getting the second heart is 12/51
Step-by-step explanation:
There are 13 hearts in the deck of 52. The probability of getting the first heart is 13/52=1/4. The probability of getting the second heart is 12/51
Answer:
Step-by-step explanation:
(a) The type of study described in the question is referred to as an experimental study.
(b) The treatment group is the group that exercises 2 times a week, whereas the control group is the group that does not exercise.
(c) Yes, the study under consideration makes use of blocking.
The blocking variables are 18-30-year-olds, 31-40-year-olds, and 41-55year olds.
(d) No, the study under consideration did not make use of blinding because the patients know if they are in the group that exercises or the one that doesn’t.
I say D because sum is the total when you add and when it says less you go backwards ex.2 less than 3 this is how you write it 3-2
Answer:

Step-by-step explanation:
