The probability that a random variable is greater than or equal to z standard deviations from the mean in a standard
normal distribution is p%. What can be said with certainty about the probability that the random variable is less than
equal to -z standard deviations from the mean?
The probability is less than p%.
The probability is equal to p%.
The probability is greater than p%.
The probability is not equal to p%.
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satt

the infinity sign

step-by-step explanation:

i think the answer is b.

step-by-step explanation:

not 100% sure though.

salary

step-by-step explanation:

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation: