Recent content by annnnnn

  1. A

    HELP ME PLS

    25% of all students enrolled in high school XYZ are taking Algebra. 30 students are chosen at random. Find the probability that exactly 7 students out of the 30 chosen are taking Algebra? Use the Binomial Probability Distribution. a. ≈≈16.86% b. ≈≈15.58% c. ≈≈16.62% d. ≈≈15%
  2. A

    HELP PLEASE STATISTICS

    A company makes parts for a machine. The lengths of the parts must be within certain limits or they will be rejected. A large number of parts were measured and the mean and standard deviation were calculated as 3.1 m and 0.005 m respectively. Assuming this data is normally distributed and 99.7%...