umgardner-Stat 1220-XLS2024201 780Combined > 534/as ents/199317 | ual . | , HVN6

Question

umgardner-Stat 1220-XLS2024201 780Combined > 534/as ents/199317 | ual . | , HVN6 ( - WeBWorK MATHEMATICAL ASSOCIATION OF AMERICA MAIN MENU I statt Homework Sets Homework6: Problem 3 (1 port) Tha length X of a fish from a particular mountain lake n Idaho is nommally dstributed with -7.8 nches a) Is X a discrete or continuous random vanable? (Type DISCRETE or CONTINUOUS) ANSWER CONTINUOUS (b) Find the probability that the length of a chosen fish was greater than 9.8 inches (c) Find the probability that the length of a chosen fish was between 6 8 and 9 8 inches I Problem 1 Probiem 5

Explanation / Answer

a) It is Continous

b) P(X>9.8)
= P(Z>(9.8-7.8)/1.5)

= 0.0912

c) P(6.8<X<9.8)

P((6.8-7.8)/1.5<Z<(9.8-7.8)/1.5)

= 0.6563

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