I'm not entirely sure but it should be (3/5) together. For pen the probability is (5/20) and for crayon is (12/20) add them equals (12/20) simply equals (3/5) HOPE IT HELPS
Answer:
1.7
Step-by-step explanation:
Answer:
Answer; Mean = p = 0.75
Standard deviation =0.0274
Step-by-step explanation:
Mean = p = 0.75
Standard deviation = √ [ p ( 1 - p) / n ]
= √ [ 0.75 * ( 1 - 0.75) / 250]
= 0.0274
Answer:
s = 4/21
Step-by-step explanation:
Move all terms not containing s to the right side of the equation, then solve.
Answer:
Third answer
Step-by-step explanation:
1 x 7 = 7
36 x 7 = 252