Answer:
0.213
Step-by-step explanation:
→ Convert into binomial information
x ~ B ( 12 , 0.4 )
→ Write down probability required
p ( x = 4 )
→ Evaluate
0.2128
Answer:

Step-by-step explanation:
Let s represents the total Israel's savings.
Israel added $80 to his savings. Hence, he then had $(s+80).
This added amount represents
of his total savings.
of his total savings is

Therefore,

Answer:
y = -50x +775
Step-by-step explanation: