In a recent survey, a random sample of 100 drivers were asked about seat belt use, and 86 reported that they regularly wear a seat belt. What value of z should be used to calculate a confidence interval with a 98% confidence level

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Explain how you can use the associative property to evaluate (7x50)x4.

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet