Other Math Answers

What is the entrepreneurs’ optimal strategy? What is the EVPI? What is the EVSI?

The random variable Z has a standard normal distribution. Find the value of b if

1) P(b<Z<2.133)=0.1618

"X=y\/bc-\u221aqr"

Find the value of r when b=2,c=1,q=3,x=2 and y= 4

the marks scored by five students in a test of statistics carrying 100 marks are 50, 60, 50, 60 and 40. A simple random sample of size 4 draws without replacement construct the sampling distribution of sample mean and find the standard error of the sample mean?

The Average mass of 50 pumpkin is 2,1kg. If one more pumpkin is added, the average mass is 2,2kg. What is the mass of the extra pumpkin?

They change the oil every 3000 km, rotate tyres every 10000 km and replace wiper blades every 15000 km. After how many kilometers will they first have to change the oil, rotate the tyres and replace the wiper blades all at once?

Calculate the area of a trapezium that has parallel sides of 10cm and 6cm respectively and the perpendicular distance of 7 cm between the parallel sides.

Topic: Normal Distribution Distribution & Inverse Normal Distribution

1. Given that  X~N (4,9), find

a.) P(X > 8)

b.) P(4< X < 6)

c.) P(X≥3)

 (2t-4)² i + 3t j - t² k