7. to qualify for promotion, a technical company requires an employee to pass a screening test. a maximum of 3 attempts are allowed with 6 month intervals between trials. from past records it is found that 40% pass on the first trial; of those that fail the first trial and take the test a second time, 60% pass; and of those that fail on the second trial and take the test a third time, 20% pass. for an employee wishing to transfer:
a. what is the probability of passing the test on the first or second try?
b. what is the probability of failing on the first 2 trials and passing on the third?
c. what is the probability of failing on all 3 attempts?

answer: a and c are correct

step-by-step explanation:

the +5 is the vertical translation

the added negative symbol in front is the reflection over the y-axis

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true

middle maybe?

step-by-step explanation: