A rainstorm in Portland. Oregon has wiped out the electricity in about p% of the households in the city. A management team in Portland has a big meeting tomorrow, and all 7 members of the team are hard at work in their separate households preparing their presentations. The probability that none of them has lost electricity in his/her household is 0.2097. Assume that the locations are spread out so that loss of electricity is independent among their households. Then p is equal to: