stats please help ASAP!!!
A. The GPAs of all 5540 students enrolled at a University have an approximately normal distribution with a mean of 3.02 and a standard deviation of 0.29. Let x be the mean GPA of a random sample of 48 students selected from this University. Find the mean and standard deviation...
MATHS STATISTICS(PLEASE HELP ANYONE!!
B. A soft-drink vending machine is supposed to pour 8 ounces of the drink into a paper cup. However, the actual amount poured into a cup varies. The amount poured into a cup follows a normal distribution with a mean that can be set to any desired amount by adjusting the machin...
MATHS STATISTICS
B. A soft-drink vending machine is supposed to pour 8 ounces of the drink into a paper cup. However, the actual amount poured into a cup varies. The amount poured into a cup follows a normal distribution with a mean that can be set to any desired amount by adjusting the machin...
MATHS STATISTICS
A. According to an estimate, 50% of the people in the United States have atleast one credit card. If a random sample of 30 persons is selected, what is the probability that 19 of them has atleast one credit card? PLIZ REALLY NEED HELP!! THANKS VERY MUCH..
linear algebra
solve using gauss jordan 10y − 4z + w = 1 x + 4y − z + w = 2 3x + 2y + z + 2w = 5 −2x − 8y + 2z − 2w = −4 x − 6y + 3z = 1
Math
The local dinner offers a meal combination consisting of an appetizer, two soups, four main courses, and five desserts. Your diet retricts you to choosing between a dessert and an appetizer. (You cannot have both). Given this restriction, how many three-course meals are possible?
mathURGENT!!!!!!!!!!
if 4^(x)-4^(x-1)=24 what is the value of (2x)^x? please answer and explain step by step how u got it... PLEASE?????
mathURGENT!!!!!!!
if (4^x)-(4^x-1)=24 what is the value of (2x)^x? please answer and explain step by step how u got it... PLEASE?????
Physics
A loop of wire has the shape shown in the drawing. The top part of the wire is bent into a semicircle of radius r = 0.12 m. The normal to the plane of the loop is parallel to a constant magnetic field ( = 0°) of magnitude 0.85 T. What is the change ÄÖ in the magn...
Physics
In 1996, NASA performed an experiment called the Tethered Satellite experiment. In this experiment a 2.20 104-m length of wire was let out by the space shuttle Atlantis to generate a motional emf. The shuttle had an orbital speed of 7.50 103 m/s, and the magnitude of the earth...
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