Mathematics, 24.03.2021 19:40, vincentfriend
The final exam grade of a statistics class has a skewed distribution with mean of 78 and standard deviation of 7.8. If a random sample of 36 students selected from this class, then what is the probability that the average final exam grade of this sample is between 75 and 80?
Answers: 3
Mathematics, 21.06.2019 16:30, Lpryor8465
Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?
Answers: 1
Mathematics, 21.06.2019 16:30, amir6658
Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.
Answers: 1
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