Answer:
Option B and C
Step-by-step explanation:
x
/
/
= 
= 25
Option B : 25
and C :
I hope im right!!
Answer:
D. 81
Step-by-step explanation:
I think the attached photo supports for your question to be answered
Here is my answer:
Number of days: 30
Mean of the data set = (68 + 70*2 +74*2 +76*4 +78 +80*5 + 82*3 +84*5 + 88 +88*3 + 92*3) /30 = 81
Answer:
1/7
Step-by-step explanation:
Lets start with the probability of flipping tails, 1/2.
Then the probability of the day starting with the letter s, 2/7.
Calculate the final probability by multiplying the two together.

You can simplify 2/14 down to 1/7