Answer: the answer is b
Step-by-step explanation:
Answer:
the answer is letter b.
There are two ways to win a jackpot.
Let be the probability for first method and be the probability for second method.
Probability to get a head==
Probability to get a in the die=
Probability to get a head and get a 4 in die=[tex]p_{head}\times p_{4}[/tex]=
Probability to get a tail==
Probability to get a heart==
Probability to get a tail and get a heart in the deck==
Total probability to win a jackpot=
So,probability to win a jackpot is
Step by step explanation
Solution given:
cosec 60=1/sin60=1/[√3/2]=2/√3 or ⅔√3
67.5°
3x+X+90=360°(circle angle)
4x+90=360
4x=360-90
4x=270
X=270/4
X=67.5°