question archive 1) A standard deck of cards contains 52 cards
Subject:StatisticsPrice: Bought3
1) A standard deck of cards contains 52 cards. One card is selected from the deck.?(a)?(b)five or three or jack.
Compute the probability of randomly selecting a five or three.
Compute the probability of randomly selecting a
?(c)
Compute the probability of randomly selecting a
six or diamond.
.2) The average low temperature for Doha in November is claimed to be
greater than 20oF. The low temperatures of 8 randomly selected days in November are measured. The sample average is calculated to be 23oF with a standard deviation of 4 oF.
a- Test the claim at 10% significance level.
b -Calculate the 90% lower confidence bound