Jill and mandy are considering whether to go to a party. If their friend donna does not go, the probability that jill will attend if 0.4m and the probability that mandy will attend is 0.6. If donna does go to the party, jill and andy's probabilities will increase to 0.5 and 0.7 respectively. The probability that donna will go to the party is 0.8- Find the probability that exactly two of the three friends will attend

4.0 ft

step-by-step explanation:

4.0 ft

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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