Mathematics, 28.01.2020 12:31 angeline2004
Ihonestly don't know how to solve it me. a compact disc is designed to last an average of 4 years with a standard deviation of 0.8 years. what is the probability that a cd will last less than 3 years?
1.11%
10.56%
86.65%
100%
Answers: 2
Mathematics, 21.06.2019 20:00
Someone answer asap for ! 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.
Answers: 1
Mathematics, 22.06.2019 01:00
Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?
Answers: 2
Ihonestly don't know how to solve it me. a compact disc is designed to last an average of 4 years...
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