Please solve the following problem. Thanks!

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4. Fan a 2 -yrat terin insurande of $1 on (x), iovth death benefit paid (4), at the end of the yeari of diath, you are givan that (i)$0.95 is the lowast premium such that thare is a 0% chaive of loss (loss for the invore in year 1 , (ii) px=0.75, and (iii) px+1=0.80. - Calculate variance of z. 4. Jon a 2 -year term insurance of $1 on (x), with death benefit paid. at the end of the year of death, you are given that (i) $95 is the lowest premium such that there is a 0% chance of loss (loss for the insurance) in year 1 , (ii) Px=0.75, and (iii) Px+1=0.80. Calculate variance of Z. 4. Fan a 2 -yrat terin insurande of $1 on (x), iovth death benefit paid (4), at the end of the yeari of diath, you are givan that (i)$0.95 is the lowast premium such that thare is a 0% chaive of loss (loss for the invore in year 1 , (ii) px=0.75, and (iii) px+1=0.80. - Calculate variance of z. 4. Jon a 2 -year term insurance of $1 on (x), with death benefit paid. at the end of the year of death, you are given that (i) $95 is the lowest premium such that there is a 0% chance of loss (loss for the insurance) in year 1 , (ii) Px=0.75, and (iii) Px+1=0.80. Calculate variance of Z