Peter has $100. The price of a watch is $60. If peter gets 25% discounts, can he buy 2 watches
2 answers:
Answer : The peter can buy 2 watches.
Step-by-step explanation :
Peter has total money = $100
Original price of a watch = $60
Discount % = 25 %
First we have to determine the price of a watch after discount.
Price of a watch =
Price of a watch after discount = Original price - Price of a watch at the time of discount
Price of a watch after discount =$60 - $15
Price of a watch after discount = $45
Now we have to determine the price of 2 watches.
Price of 2 watches = 2 × $45
Price of 2 watches = $90
From this we conclude that, peter can buy 2 watches because he has $100 money that is more than the price of 2 watches.
Thus, the peter can buy 2 watches.
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Answer:
a) 2.5 shots
b) 59.4 shots
c) 4.87 shots
Step-by-step explanation:
Probability of making the shot = 0.6
Probability of missing the shot = 0.4
a) The expected number of shots until the player misses is given by:
The expected number of shots until the first miss is 2.5
b) The expected number of shots made in 99 attempts is:
He is expected to make 59.4 shots
c) Let "p" be the proportion shots that the player make, the standard deviation for n = 99 shots is:
The standard deviation is 4.87 shots.