I think it is 320 sorry if I'm wrong
Let the require value be x, then
P(z > x) = 0.025
1 - P(z < x) = 0.025
P(z < x) = 1 - 0.025 = 0.975
P(z < x) = P(z < 1.96)
x = 1.96
Therefore, <span>the positive critical value that corresponds to a right tail area of 0.025</span> is 1.96
Answer:
figure please...... I cant see the figure
It walks for 1.6 minutes or 1 min and 36 secs