Mathematics, 19.12.2019 22:31, norinashanleyc
For a standardized psychology examination intended for psychology majors, the historical data show that scores have a mean of 520 and a standard deviation of 180. the grading process of this year's exam has just begun. the average score of the 35 exams graded so far is 518. what is the probability that a sample of the 35 exams will have a mean score of 518 or more if the exam scores follow the same distribution as in the past? carry your intermediate computations to at least four decimal places. round your answer to at least three decimal places.
Answers: 2
Mathematics, 21.06.2019 19:40, lylah42
The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes
Answers: 3
Mathematics, 22.06.2019 01:00, jadensababe9151
On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?
Answers: 2
Mathematics, 22.06.2019 05:10, raytaygirl
Based on the diagram above, a student determined the hypotanuse of the triangle to be 6√3. determine if the students answer is correct. if not correct find the correct length
Answers: 2
For a standardized psychology examination intended for psychology majors, the historical data show t...
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