The yield at a given coal mine, in tons of ore per day, is approximately normally distributed with mean 785 tons and unknown standard deviation. a. Find the standard deviation of the daily output if it is known that on 13% of the days the output falls below 717.2 tons. b. Find the 68th percentile of the daily outputs. c. Find the probability that at least 700 tons of ore will be mined on a given day.

Q: held

A: 1. Existence of a virtual smooth controller \(y^* = a(z)\) that stabilizes the \(z\) dynamics…

Q: How many ways can you make a team of 4 from a roster of 8 players. discrete math

A:

Q: (x-5)" 1. 5"

A: since u have asked multiple questions in a single request so we will be answering only first…

Q: 1 a,b,c,d

A: Given below the detailed solution

Q: Vab

A:

Q: Need help with D and E. Already figured out a,b,c

A: Here x'(t) denotes the rate of change of position of a particle in t seconds. So, the value of the…

Q: 6. Suppose that P(E)=0.61, P(F) = 0.43, and P(EF) = 0.27. Find the following:

A: 6) Given,P(E) = 0.61P(F) = 0.43And 0.27Using formula,

Q: Can you answer d,e, and f pl

A:

Q: P (15. 1) P (11,7)

A:

Q: e,f,g

A: By using previous solution sign Table xf'(x)Positive zeroNegativeDNENegativezeroPositive

Q: ニ

A: To prove that,       x1+x=∑n=0∞-1nxn+1 if -1<x<1