设连续型随机变量X的分布函数为F(x) kx2, 0 x 1 ,1, x 1求: (1)常数 k; (2) PvXv; (3)方差 DX.解:(1)由于连续型随机变量X的分布函数F(x)是连续函数,所以0, x 0lim F(x) lim F(x) 1 即 k=1,故 F(x) x2, 0 x 1x 1 x 11, x 1(2)P(0.3 X 0.7) P(0.3 X 0.7...
His running mate, JD Vance, hassaidtheir plan would “allow people with similar health situations to be in the same risk pools.”Risk poolingmeans sharing medical costs to calculate insurance premiums. Such a plan could lower insurance costs for the young and healthy but risks driving up rates...
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The steps to take to get an abortion from a clinic, doctor, or Planned Parenthood health center, no matter how far along you are, where you live, or how much money you have.
If your dog has been recommended for an MRI, you’re likely concerned about the cost. While MRI scans are incredibly useful for diagnosing conditions like brain tumors, spinal issues, or joint problems, they can be expensive—often ranging from $1,000 to
It’s a destination where you will find welcoming locals, breathtaking beaches and, of course, epic surf. Read more: 10 Affordable Honeymoon Destinations for Every Budget & 15 Budget-Friendly Tropical Destinations 2. Maui We have been to Maui, Hawaii three times and we’re going on our ...
Verizon Senior Plans in California: What You Need to Know Finding the right phone plan for seniors in California can be challenging. While Verizon’s popular 55+ Unlimited Plan... December 30, 2024 Verizon Senior Plans for 2 Lines: All You Need to Know ...
Exhaust gas cleaning systems (EGCS) – more commonly referred to as scrubbers – are an accepted equivalent measure in complying with the IMO 2020 global sulphur cap. The use of scrubbers has split the shipping industry. Ports around the world continue to look at the impact of scrubber use in...
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Find One? Sorry We Missed You. Looks like our first delivery or pickup attempt was unsuccessful. Your driver left a delivery notice to let you know that was their first attempt. Now What? Check the boxes on the delivery notice. They’ll tell you the status of your shipment and if we’...