) A group of 18 people from New York and a group of 15 people from Los Angeles passed the same quiz. The mean grade of group A is 78 points, with the standard deviation σ1=5, the mean grade of group B is 75 points, σ2=4.5. Use α=0.05. Assuming that the subjects are chosen randomly, the cities’ population are independent, and the points are normally distributed:

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

the number of possible outcomes that do not show a 1 on the first spinner and show the number 4 on the second spinner is 2.

spinner 1 spinner 2

1                     1

1                     2

1                     3

1                     4

2                   1

2                   2

2                   3

2                   4   = not 1, and 4

3                   1

3                   2

3                   3

3                   4 = not 1, and 4

only 2 outcomes have passed the given condition.

step-by-step explanation: