Question

Please answer me clearly so I can read well

BSP2014 Tutorial 2 1. Check whether the given function can serve as the probability mass function(p.m.f.) of a random variable 2forx-1,2, 3,4, 5 ii) Ax)for-0,1,2, 3,4 2. A random variable X has the following probability distribution. 0.1 2k 0.3 i)Find k ii)Evaluate PX2 and P-2X2) iii) Find the CDF of X 3. If X has the cumulative distribution function, CDF Fix) = I/2 , 1 xc3 x25 Find a) PXS 3) d) PX2 1) b) P(X-3) t X- 5) 4. A shipment of 10 similar personal computers to a retail outlet contains 4 that are defective. If a company makes a random purchase of 2 of them, find a) the probability distribution for the number of defectives b) the cumulative distribution function(CDF) for the number of defectives

Answer 1

This mot a Pmt because No f)yes, +hes ts a Prtf 30 3D 30 3D 3o 3U 30 3o eg

1) i. Not a pmf

ii ) it is a pmf.