Answer:
56 times
Step-by-step explanation:
P(red & red) = 0.5×0.6 = 0.3
Expected no. = no. Of trials × p
No. of trials: 84/0.3 = 280
P(blue & blue) = 0.5×0.4 = 0.2
Expected no. = 280 × 0.2
= 56
Answer:
6 chores
Step-by-step explanation:
ok so,
4 hours=240minutes
2/3of an hour= 60×2/3
=40 minutes
so since one chore needs 40 minutes, then:
40/240= 6
so in 240 minutes/4 hours, Spencer can do 6 chores.
Answer:
901$
Step-by-step explanation: