Sally is buying a hearing aid that costs $5,000. her insurance pays $2,900 of the cost. Sally will get a loan to pay the remaini
1 answer:
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Answer:
72.73% probability of selecting a girl, given the flip resulted inheads
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
Coin resulted in heads
Student is selected at random from a class of six boys and sixteen girls.
Desired outcomes:
16 girls, so
Total outcomes:
16+6 = 22, that is, 22 students, so
Probability:
72.73% probability of selecting a girl, given the flip resulted inheads
Answer:
A
Step-by-step explanation:
is in the fourth quadrant where tan < 0
The related acute angle = 2π - =
Hence
tan( )
= - tan( )
= -
= - ×
= - → A