My answer -
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Answer:
0.0139
Explanation:
Given that:
The number of sample (n) = 21
The sample distribution has mean (μ) and a standard deviation of σ/√n
The z score is given as (x - mean)/ standard deviation
x = 94.8 wpm, let us assume that σ = 10 and μ = 90
Therefore: z = (x - μ) / (σ/√n) = (94.8 - 90) / (10/√21) = 2.2
To calculate the probability using Z table:
P(X>94.8) = P(Z>94.8) = 1 - P(Z<94.8) = 1 - 0.9861 = 0.0139
The probability is low that is less than 0.05, the program is more effective than the old one.
The term that describes the situation where <em>fixed and variable </em><em>expenses</em><em> are higher than</em> net income is <em>D. dissaving.</em>
Dissaving happens when an individual is spending from either previous savings or borrowing to fund current expenses.
Dissaving is commoner with retirees than those currently employed. But it can also happen to currently-employed persons, whose expenses are more than their incomes. They should find strategies to stop the negative saving. Otherwise, their debts may be overbearing in future.
Thus, dissaving means negative saving or <em>spending more than income.</em>
Learn more: brainly.com/question/13954775