Mathematics, 23.10.2019 09:50 macybarham
the grades on the last history exam had a mean of 80%. assume the population of grades on history exams is known to be distributed normally, with a
standard deviation of 5%. approximately what percent of students earn a score between 70% and 80%
2.2%
47.7%
50%
52.2%
Answers: 3
Mathematics, 21.06.2019 15:20, lizzyboo32
Acourgette seed and a pumpkin seed is planted p(courgette seed germinates) 4/5 and p(pumpkin seed germinates) = 1/6 what is the probability that both seds germinate
Answers: 2
Mathematics, 21.06.2019 22:00, harry5112
Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250
Answers: 1
the grades on the last history exam had a mean of 80%. assume the population of grades on history ex...
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