the weight of male babies less than two months old in the US is normally distributed with μ=11.5 lbs. and σ=2.7 lbs. a) Find the 81st percentile of the baby weights. P(W

Let Z be the standard normal variable. Find the values of z if z satisfies the following: P(-z < Z < z) = 0.8502 A) 1.81 B) 0.24 C) 1.44 D) -0.71 E) 0.79

A random variable x is best described by a normal distribution with μ = 30 and o =10. Find the z-score that corresponds to the value x = 35. A) 5 B) 0.5 C) 1/6 D) 3.5

Find the indicated probability for the standard normal Z: P(1.01< Z < 1.42) Select one: a. 0.0784 O b. 0.5784 C. 0.9216 d. 0.9222 Clear my choice

What is the area of -0.45 in the standard normal distribution? A.) 1 B.) 0.5 C.) 0.6736 D.) 0.3264 E.)0 F.) None of the above, as it depends on the situation

What is the appropriate formula?

Find the area under the standard normal probability distribution between the following pairs of z-scores. a. z = 0 and z = 1.00 b. z = 0 and z = 2.00 c. z = 0 and z=3.00 d. z = 0 and z=0.46 e. z = -1.00 and z = 0 f. z = -2.00 and z=0 g.z= -1.67 and z=0 h. z = -0.46 and z=0 a. The area under the standard normal probability distribution is 0.314 (Round to three decimal places as needed.) b. The area under the standard normal probability distribution is 0.477 (Round to three decimal places as needed.) c. The area under the standard normal probability distribution is 0.499 (Round to three decimal places as needed.) d. The area under the standard normal probability distribution is (Round to three decimal places as needed.) e. The area under the standard normal probability distribution is (Round to three decimal places as needed.) f. The area under the standard normal probability distribution is (Round to three decimal places as needed.) g. The area under the standard normal probability…