Mathematics, 30.08.2019 01:30 kayeecheng2102p3s8sa
Out of 100 students, 70 of them said that they hoped to get married someday. with 99.7% confidence, what is the approximate percentage of the students in the population who hope to get married someday?
Answers: 1
Mathematics, 21.06.2019 14:30
Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.
Answers: 3
Mathematics, 21.06.2019 17:10
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?
Answers: 1
Out of 100 students, 70 of them said that they hoped to get married someday. with 99.7% confidence,...
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