Question
1. Considera una variable aleatoria normal estndar con = 0 y una desviacin estndar =1. Usa la tabla de distribucin normal estndar para encontrar P
1. Considera una variable aleatoria normal estndar con = 0 y una desviacin estndar =1. Usa la tabla de distribucin normal estndar para encontrar P (-3.10 < Z < 3.10).
2. Consider a standard normal random variable with = 0 and a standard deviation =1. Use the standard normal distribution table to find P (-3.10 < Z < 3.10).
3. Calcula el rea bajo la curva normal a la izquierda de z=2.48.
4. Calculate the area under the normal curve to the left of z=2.48.
5. Sea x una variable aleatoria binomial con n = 10, p = 0.4. Encuentra la varianza.
6. Let x be a binomial random variable with n = 10, p = 0.4. Find the variance.
7. Determina la probabilidad de que salga un nmero menor a cinco (5) al tirar un dado.
8. Determines the probability that a number less than five (5) will come out when rolling a dice.
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