1Normal distribution is a limiting form of:aHypergeometric distributionbF-distributioncBinomial distributiondX2-distributionShow answer
2The normal probability distribution is:aContinuousbDiscretecPositively skeweddNegatively skewedShow answer
14For a normal distribution with μ=10,σ=2,5, the area to the right of 10 is:a1b0.5c0.25d0.75Show answer
16The two points containing the middle 68.27% area under a normal curve are:aμ±2σbμ±σcμ±3σdNone of theseShow answer
17The area to the left of μ+σ for a normal distribution is approximately equal to:a0.16b0.34c0.50d0.84Show answer
18In a normal distribution what percentage of the area is contained in the limits μ±3σ?a50% areab68.27% areac95.45% aread99.73% areaShow answer
19In a normal distribution curve μ±0.6745σ includes:a50% areab68.27% areac95.45% aread99.73% areaShow answer