Mathematics, 18.05.2021 06:20 ashiteru123
A multiple choice test has 7 questions each of which has 4 possible answers, only one of which
is correct. If Judy, who forgot to study for the test, guesses on all questions, what is the
probability that she will answer 3 or more questions correctly?
0.756
0.311
0.244
0.0156
Answers: 2
Mathematics, 21.06.2019 17:00, averyeverdeen01
Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.
Answers: 3
Mathematics, 21.06.2019 21:50, zymikaa00
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
Mathematics, 22.06.2019 00:00, tuetheturtle
The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?
Answers: 1
A multiple choice test has 7 questions each of which has 4 possible answers, only one of which
is c...
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