Mathematics, 10.01.2020 06:31, xoudoyditaous85alja
We have two methods a and b available for teaching a certain industrial skill. there is a 75% chance of successfully learning the skill if method a is used, and a 95% chance of success if method b is used. however, method b is substantially more expensive and is therefore used only 20% of the time(method a is used the other 80% of the time) a worker learned the skill successfully.
what is the probability that he was taught by method a?
Answers: 2
Mathematics, 21.06.2019 14:00, naiomireyes74p2aybs
A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?
Answers: 1
Mathematics, 21.06.2019 17:30, aprilreneeclaroxob0c
Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?
Answers: 3
Mathematics, 21.06.2019 17:30, kingfptduong
How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples
Answers: 1
We have two methods a and b available for teaching a certain industrial skill. there is a 75% chance...
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