250 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 75 and standard deviation ? = 10.Approximately how many students had test scores with standardized values between -2 and 0.675?
A. 125
B. 204
C. 181
D. 147
E. 85
Answer: C
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Answer the question based on the following situation:An honest coin is tossed 1600 times. The random variable X denotes the total number of heads that come up in the 1600 tosses.What are the chances that X is less than 650?
A. approximately 32% B. approximately 16% C. approximately 25% D. approximately 0% E. none of these
Find the GCF for the list.64a9b3c7, 88a6b9
A. 8a6b3c7 B. 8a6b3 C. 8a9b9 D. 4a6b3
Provide an appropriate response.The data below represent the number of tornadoes that occurred each year in a certain county during the years 1948 to 2004. Make a dot plot to organize these data.262451456435664554045665755372325666664545456654565454331
A.
B.
C.
D.
Solve the problem.The owners of a candy store want to sell, for $6 per pound, a mixture of chocolate-covered raisins, which usually sells for $3 per pound, and chocolate-covered macadamia nuts, which usually sells for $8 per pound. They have a barrel of the raisins. How many pounds of the nuts should they mix with the barrel of raisins so that they hit their target value of $6 per pound for the mixture?
A. 52 lb B. 56 lb C. 60 lb D. 64 lb