All cell phone plans from mobileusa require an additional $10/month data fee on top of the base plan price. lindsay has the $39.99/month base cell phone plan from mobileusa. conjecture: lindsay pays at least $49.99/month for her cell phone. use deductive reasoning to verify the conjecture, or provide a counterexample if the conjecture is false. a. true; law of detachment b. false; lindsay does not have a data fee c. false; lindsay is not a mobileusa customer d. false; not all mobileusa customers have a data fee

Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5