Mathematics, 03.07.2019 02:10 samdoesmath6352
The lengths of a particularâ animal's pregnancies are approximately normallyâ distributed, with mean muî¼equals=270270 days and standard deviation sigmaïequals=2020 days. â(a) what proportion of pregnancies lasts more than 275275 âdays? â(b) what proportion of pregnancies lasts between 255255 and 285285 âdays? â(c) what is the probability that a randomly selected pregnancy lasts no more than 230230 âdays? â(d) aâ "very preterm" baby is one whose gestation period is less than 240240 days. are very preterm babiesâ unusual?
Answers: 1
Mathematics, 21.06.2019 17:30
The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]
Answers: 1
Mathematics, 21.06.2019 19:30
For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?
Answers: 1
Mathematics, 21.06.2019 22:40
Find the missing factor. write your answer inexponential form.9^2=9^4×
Answers: 1
The lengths of a particularâ animal's pregnancies are approximately normallyâ distributed, with mean...
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