During the first week of a going-out-of-business sale, a store reduces all prices by 15%. The second week of the sale, it reduces all items by an additional $4. If a calculator was bought for $47.00 during the second week of the sale, find the original price of the calculator. The original price of the calculator is $

Given abcd ac=38 and ae=3x+4 find the value of x

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain