Mathematics, 06.05.2020 21:32 edybuza764
Someone help I neeed this done by fridayyy!!1.Suppose that scores on a knowledge test are normally distributed with a mean of 71 and a standard deviation of 6
A. Label the curve: show the mean and the value of each standard deviation
B. If Angelica scored a 76 on the test what is her Z score (draw her score on the curve above and label)
C. What percent of students did Angelica score higher than? How can you tell?
D. If 185 students took the test how many students scored higher than Angelica
Answers: 2
Mathematics, 21.06.2019 22:00
Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?
Answers: 2
Mathematics, 22.06.2019 00:10
What 8/12+8/11 in another way than and improper fraction
Answers: 2
Mathematics, 22.06.2019 03:00
∠1 and ∠2 are vertical angles. ∠2 has a measure of 63°. what is the measure of ∠1 ? enter your answer in the box.
Answers: 2
Mathematics, 22.06.2019 04:10
Walgreens sells both kleenex and nyquil. in a random sample of 5000 purchases, it was found that 1200 contained kleenex and 540 contained nyquil. these are not independent because sick people are more likely to buy both and healthy people more likely to buy neither. in looking into that, it was found that 360 purchases contained both. a. make a two-way table to display this information. fill in the table with the missing entries, and be sure your table has row and column totals. b. if we randomly select a purchase that contained kleenex, what is the probability it also contained nyquil? c. what percent of all purchases didn’t contain either product?
Answers: 1
Someone help I neeed this done by fridayyy!!1.Suppose that scores on a knowledge test are normally d...
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