(1 point) Suppose x is a normally distributed random variable with 4 9.9 and o 2.9...
(1 point) Suppose z is a normally distributed random variable with u = 10.6 and o = 1.6. Find each of the following probabilities: (a) P(8.6 << < 15.1) (b) P(5.1 5*< 15.8) (c) P(7.1 Su 15.9) (d) P(x > 5.3) = (e) P(x< 13.4) =
1 point) Suppose X is a normally distributed random variable with H9 and ơ 1.3. Find each of the following probabilities: (a) P(12 < X < 15) (b) P(6.1 K X K 16.7)- (c) P(11.1 K X K 16.7)- (d) P(X 2 11.5)- (e) P(X s 16.7)-
Suppose x is a normally distributed random variable with muequals12 and sigmaequals2. Find each of the following probabilities. a. P(xgreater than or equals15) b. P(xless than or equals8) c. P(12.52less than or equalsxless than or equals16.74) d. P(7.6less than or equalsxless than or equals15.1)
Suppose a random variable X is normally distributed with mean 66 and standard deviation 7.6. Answer the following questions: a) P(46.24 < X < 71.32) = b) P(X ? 75.12) = c) P(X = 71.32) = d) Suppose a is such that: P(X ? a) = 0.56. Then a = e) What is the IQR (inter-quartle range) of X?
2. Suppose X is a normally distributed random variable with a mean of 85 and a standard deviation of 5. Obtain the following probabilities. (a) P(80 < X < 86.5). [2 marks] (b) P(X> 76). [2 marks] (c) P(X< 87.8). [3 marks] (d) Find b such that P(X<b) = 0.7704 [3 marks]
of the random variable x. Suppose x is a normally distributed random variable with u = 34 and 0 = 4. Find a value a. P(x 2 Xo)=5 b. P(X<Xo) = .025 c. P(x>x) = 10 d. P(x > Xo) = .95 Click here to view a table of areas under the standardized normal curve. a. Xo = (Round to the nearest hundredth as needed.)
2. Find each of the following probabilities. Suppose x is a normally distributed random variable with-11 and ơ a. P(x2 14.5) b. P(xs 10) c.P/12.26sxs 16.02) d. P(5.5sxs14.48) Click here to view a table of areas under the standardized normal curve. a. P/xz 14.5)-(Round to three decimal places as needed.)
Suppose x is a normally distributed random variable with 13 and Find each of the following probabilities Click here to view a table of areas under the standardized normal curve. a. P(x 2 14.5)-(Round to three decimal places as needed) b. P(x s11)=L 1 (Round to three decimal places as needed.) c. P(13 66ss 17.8)= ] (Round to three decimal places as needed) d. P(7.96 srs 15 44)= (Round to three decimal places as needed.) Enter your answer in each...
(1 point) Suppose that random variable X is uniformly distributed between 5 and 25. Draw a graph of the density function, and then use it to help find the following probabilities: A. P(X > 25) = B. P(X < 15.5) = C. P(7 < X < 20) = D. P(13 < X < 28) =
his Question: 10 pts 1 of 11 ( Suppose x is a normally distributed random variable with p = 16 and a = 2. Find each of the following probabilities a. P(x2 18.5) b. P(x512) c. P(17.36 SXS 20.98) d. P(10.44 5x5 19.12) Click here to view a table of areas under the standardized normal curve. a. P(x2 18.5)- (Round to three decimal places as needed) b. Pxs 12)= (Round to three decimal places as needed) C.P(1736 Sxs 20.98)= (Round...