Mathematics, 13.07.2019 17:00, zarrialamons16
Jim tree sells trees. the mean length of the trees purchased was 68 inches with a standard deviation of 10 inches. jim wants to know what percent of his sales were more than 84 inches tall. he can use the standard normal distribution to him. 1. he asks, "what is the mean? " mean = inches. he thinks, "what is the expected distribution about the mean? " ( 38 inches 48 inches 58 inches 68 inches 78 inches 88 inches 98 inches. ) 2. he thinks, " % of the sales will be below 68 inches." but, he needs to know the percentage between 68 and 84 to add to that. so, he calculates a z-score = = , and finds the percentage associated with 1.6 in the table. 3. this is (to the nearest %. now jim knows that % of his sales were 84 inches or less. 4. therefore, the remaining % were more than 84 inches.
Answers: 1
Mathematics, 21.06.2019 16:10, michaelwthms
To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis. how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz
Answers: 1
Mathematics, 21.06.2019 20:50, xbeatdroperzx
Ms. ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms. ortiz charge per kilogram of tomatoes to make on a load of tomatoes?
Answers: 2
Jim tree sells trees. the mean length of the trees purchased was 68 inches with a standard deviation...
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