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9966 [12]
3 years ago
15

Suppose 52% of students chose to study French their junior year, and that meant that there were 312 such students. How many stud

ents chose not to take French their junior year?
Mathematics
1 answer:
Charra [1.4K]3 years ago
5 0

Answer:

  288

Step-by-step explanation:

If 52% studied French, then 48% didn't. The ratio of those who didn't to those who did is ...

  (didn't study French)/312 = 48%/52% = 12/13

Then the number that didn't study French is ...

  (didn't study French) = 312 × 12/13 = 288 . . . . . . multiply above by 312

288 students chose not to take French their Junior year.

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Which equation can be used to solve the problem? 75 percent of what number is 150? asap
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3 years ago
Read 2 more answers
Several years ago, the mean height of women 20 years of age or older was 63.7 inches. Suppose that a random sample of 45 women w
VikaD [51]

Since the p - value is less than significance level . So, we will accept the null hypothesis.

​(a) State the appropriate null and alternative hypotheses to assess whether women are taller today.

Definition of null hypothesis : The null hypothesis attempts to show that no variation exists between variables or that a single variable is no different than its mean. it is denoted

Alternative Hypothesis : In statistical hypothesis testing, the alternative hypothesis is a position that states something is happening, a new theory is true instead of an old one (null hypothesis).

We are given that The mean height of women 20 years of age or older was 63.7 inches.

So, null hypothesis :  H₀ : μ = 63.7

Alternative Hypothesis :  H₁ : μ > 63.7

b)The​ P-value for this test is 0.06.

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p- value = 0.06

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Hence The mean height is 63.7 inches

To learn more about hypothesis testing from the given link

brainly.com/question/12976831

#SPJ4

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1 year ago
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