need urgent answers

Question 1: Malik's Department Store is having a special sale this weekend. Customer chargine purchases of more than $50 to their stor credit card will be given a special Malk's Lottery card. The customer wil scratch of the card, which will indicate the amount to be taken off the total amount of the purchase. Listed below are the amount of the prize and the percent of the time that amount will be deducted from the total amount of the purchase Price Amount 510 $20 530 350 Probability 050 0.30 0.15 0.05 a What is the mean amount deducted from the total purchase amount What is the standard deviation of the amount deducted from the total purchase? Question 2: Industry standards sugest that 15% of new vehicles require warranty service within the first year Manveer Guijarin Chandigarh, India, sold 10 Maruti Aro yesterday What is the probability that none of these vehicles requires warranty service? What is the probability exactly one of the vehicles requires warranty service? Determine the probably the axactly two of these whicles require warranty service d Compute the mean and standard deviation of this probability distribution Questions in a recent study, 82% of the homes in Canada were found to have televisions. In a sample of seven homes, what is the probability that Al seven have television b. Less than four heve televisions? More than fout have television d. At least six homeswerisin