shurbee15 shurbee15

22-09-2022
Mathematics

Answered

the mean of normally distributed test scores is 79 and the standard deviation is 5. If there are 281 test scores in the data sample, how many of them were in the 64 to 79 range?

Answer :

Other Questions

1190 1172 1217 1207 1197 1202 1197 1168 1204 1189 1185 1191 1198 1185 1183 1205 1207 1197 1201 1225 1172 1208 1187 1197 1179 1231 1208 1211 1205 1194 1210 1250

A normal distribution has a mean of 50 and a standard deviation of 4. determine the value above which 95 percent of the values will occur.

A tire company measures the tread on newly-produced tires and finds that they are normally distributed with a mean depth of 0.99mm and a standard deviation of 0

Group1 Group2 1199 459 1182 509 1210 524 1223 494 1172 444 1190 540 1203 468 1240 488 1200 384 1176 485 1220 491 1235 465 1198 376 1209 487 1208 556 1. For the

SQRT is a parallelogram if QRST =72 which of the following statements is trueanswer:angle QRT =72Took test got it right

The probability density of a random variable X is given in the figure below. The random variable is uniformly distributed between 0 and 2. From this density, fi

which of the following is a flat surface that extends infinitely, has length and width but does not have depth Answer:Planereason:i took the test and passed

The area of a right triangle is 5 in 2. If the length of a leg is x, write the function h(x) that describes the length of the hypotenuse.

The median for the given set of six ordered data values is 27.5. 5 12 23 41 51 What is the missing value?

f a parabola does not cross the x-axis, what is true about the number of solutions of the quadratic function? There are two solutions. There are no real number